Current issue

• 2009 Vol.25 No.11 Published:05 June 2009

  畜牧兽医科学

  An Analysis of Factors Affecting Chinese Apiculture under the Low Temperature, Sleet and Frost Disaster Weather Li Haiyan, Cui Yao, Diao Qingyun, Liu Shili, Wu Jie 2009, 25 (11):  1-6.  Abstract + ( 1466 )   PDF ( 515387KB )   ( 578 )

  Efficacy of Taurolidine against mixed infection with Escherichia coli and Salmonella in chickens Hao Zhihui,, Xiao Xilong, Qiu Mei, Wang Jicai, Zou Ming, Chen Zhangliu 2009, 25 (11):  7-11.  Abstract + ( 1772 )   PDF ( 627871KB )   ( 753 ) Abstract: The antibacterial activies and efficacy of Taurolidine against mixed infection with Escherichia coli and Salmonella in chickens was carried out. By means of 2-fold diluent method, the MIC of antibacterial activies of Taurolidine were obtained. One hundred eighty of four-day old chickens were randomly devidedinto eight groups: I was uninfected and unmedicated control, II was infected and unmedicated control, III was Florfenicol treatment group, IV,V,VI were Taurolidine treatment groups with high, moderate and low dose, respectively. Compared with infected and unmedicated group, the died rate of high dose and moderate dose of Taurolidine group was reduced 20.0%,16.7%, respectively. The healing rate of high dose and moderate dose of Taurolidine group was increased 23.3% and 16.6%, respectively. The effectiveness and healing rate of high dose and moderate dose of Taurolidine was better than Florfenicol group. The MIC of antibacterial activies of Taurolidine against Escherichia coli and Salmonella was not lower than 256 μg/mL. The results showed that Taurolidine has certain efficacy against mixed infection with Escherichia coli and Salmonella.

  Genetic Structure Analysis of five Introduced Duck Breeds in North-East China Liu Jing, Yu Hao, Bao Yonghua, Niu Weiping, Zhang Jinyu, Zhao Zhihui, Zhang Mingjun 2009, 25 (11):  12-15.  Abstract + ( 1694 )   PDF ( 689311KB )   ( 750 ) The PCR technique was used to analyze the mtDNA D-loop sequences in 20 individuals of five duck strains. The PCR products were purified and sequenced. As a result, a series of 710bp nucleotide sequences of partial D-loop region were obtained. Comparing the D-loop fragments with each other by Mega software,86 sites were variable among all the partial mitochondrial D-loop region sequences including 16 parsimonious message sites. The relative genetic distances were calculated among individuals by “Pairwise distance” method of Mega. The results indicated that the differentiation of the 20 sequences ranged from 0.000 to 0.082 and showed 18 kinds of haplotypes among 20 individuals and construct phylogenetic trees. The number of polymorphic sites (S) was 86;the nucleotide diversity（Pi）and the average number of nucleotide differences（K）were 0.01911 and 13.3588,respectively.It can be concluded that the variation in mtDNA D-loop region sequences of duck strains was less relatively. But the genetic diversity of duck strains was higher relatively. As a result, mtDNA D-loop region sequences can be used to scan genetic diversity of populations.

  Phylogenetic Study on Cytochrome b in Cherry Valley Duck Niu Weiping, Yu Hao, Yang Chun, Liu Jing, Zhao Zhihui, Zhang Mingjun 2009, 25 (11):  16-19.  Abstract + ( 1434 )   PDF ( 528020KB )   ( 748 ) The PCR technique was used to clone the Cytochrome b gene in thirteen individuals of Cherry Valley Duck breed. The genetic distances of thirteen sequences from Cherry Valley Duck were calculated based on the Kimura 2-parameter model, The overall average is 0.004, eighteen singleton variable sites were detected, 3 parsimony informative sites included. Two haplotypes were identified based on the three parsimony informative sites，with other eight duck breeds were selected from GenBank to construct phylogenetic tree, the Cherry Valley Duck and Anas superciliosa rogersi, Anas melleri, Anas luzonica, Anas undulate were ascribed into one group，The three parsimony informative sites can also classified the duck group into five haplotypes, the conclusions of our study can be used to screen genetical marker and analysis of duck group on genetic diversity.

  农业生物技术科学

  Genetic Diversity and Genetic Relatives Analysis of pakchoi Germplasm Based on Inter-simple Sequence Repeat ( ISSR) Du Liming, Hu Tianhua, Bao Chonglai, Zhu Qinmei, Hu Haijiao, Mao Weihai 2009, 25 (11):  20-24.  Abstract + ( 1625 )   PDF ( 841027KB )   ( 674 ) Abstract: 11 primers were selected from 100 ISSR primers. 107 DNA fragments were amplified from 65 samples and each primers result in 9.72 DNA fragments. 102 fragments were polymorphic (percentage of polymorphic bands was 93.5%). The value of Nei’s genetic variations indexes of 65 cultivars based on the ISSR data varied from 0.40 to 0.65, suggesting that the genetic diversity among pakchoi cultivars is long. Cluster analysis with UPGMA method showed that the cultivars tested in this study could be divided into four groups. The results have connection with regions of cultivars origin. The results indicated that ISSR technique has better stability than RAPD , and is useful in revealing the genetic diversity and genetic relationships among packhoi species , providing a scientific basis for genetic research and packhoi breeding , as well as for gene cloning of plant germplasm and parents selection in constructing genetic linkage map of packhoi.

  A Hydroponic Culture Method of Arabidopsis thaliana under Sterile Conditions for Root Proteomic Research Hu Hao, Wu Ruijie, Hua Baoguang,, Wang Younian, 2009, 25 (11):  25-29.  Abstract + ( 1716 )   PDF ( 3805675KB )   ( 1072 ) When apply proteomics approaches to investigate Arabidopsis roots' responses to environment factors, gaining all information form roots are always required. Due to major technical obstacle, previous culture methods were hard to meet the strict standards of proteomics analysis. Based on past methods, an easy, low-cost and contamination-free hydroponic cultivation system for Arabidopsis is introduced. Random seedlings in this system were selected to perform two-dimensional electrophoresis. The results of spots detecting, position deviation in the isoelectric focusing and SDS-PAGE, and average coefficient of variability of spot volume were proved this system is excellent for Arabidopsis proteomics analysis.

  Screening of Primers in Genetic Diversity Analysis of Pyrus Germplasm by RAPD MA Yan-Zhi , 2009, 25 (11):  30-33.  Abstract + ( 1403 )   PDF ( 1368372KB )   ( 674 ) 18 primers selected from 50 ones were identified to be high polymorphic and were applied on RAPD amplification of 44 Pyrus plants, for genetic diversity analysis of Pyrus germplasm. The amounts of bands were 4-11 and the molecular weight mainly was 450bp-2000bp. A total of 118 DNA bands were amplified, including 11 same bands and 107 polymorphic bands.

  The Browning and Prevention Measures in Plant Tissue Culture of paeony Niu Jiajia, Wu Jing, He Dan, He Songlin 2009, 25 (11):  34-37.  Abstract + ( 1931 )   PDF ( 486788KB )   ( 1032 ) Material browning is a universal phenomenon in plant-tissue culture,and it plays a vital role.This article introduced the Paeony generation mechanism of browning,influencing factors and prevention measures.finally,some antibrowning techniques were provided.

  食品科学

  Research the Relation Between Sense Organ Quality and Hold Elements of Yunnan Pu-erh Tea He Qingyuan, Zhang Yaping, Wang Pingsheng 2009, 25 (11):  38-41.  Abstract + ( 1130 )   PDF ( 484479KB )   ( 932 )

  农业基础科学

  Contrast Analysis of Neutral Detergent Fiber, Acid Detergent Fiber and Acid Detergent Lignin between Dongxiang Wild Rice and Cultivated Rice Wu Xiulan, Tang Wenwu 2009, 25 (11):  42-45.  Abstract + ( 1177 )   PDF ( 862192KB )   ( 776 )

  Studying of Collection and Distribution of SMV of Soybean in Hong Longjiang 2009, 25 (11):  46-49.  Abstract + ( 1173 )   PDF ( 500270KB )   ( 614 ) The exmination was to find the regulation of symptom and distribution of SMV in different districts of HLJ province, according to the Symptom of SMV Samples collected from different districts of HLJ province in 2002 end 2003.The soft of MVSP3.1.2 was applied to similarity and cluster analysis. Similarity and cluster analysis showed that the symptom of shrivel was in dominant position，the symptom of yellow took the second place, the symptom of distort took the last. Half of 223 Samples in 2003 and 80% of 126 samples in 2002 showed shrivel. So the conclusion is that SMV1 is dominant place in HLJ province. In order to study occur of SMV in different districts further, four parts of south、north、east、west was divided in HLJ province for similarity and cluster analysis. The analysis showed that shrivel SMV is also in dominant place in four section，the regulation of infected is the same with that of the whole HLJ province.

  Study on the Relationship between the Characteristics of the Hybrid Rice Seed and the Sowing Quality Fu Aibin, Cai Dongyuan, Liu Ye, Zhang Jingrui, Chen Zhan 2009, 25 (11):  50-55.  Abstract + ( 1470 )   PDF ( 567572KB )   ( 725 ) The sowing quality of hybrid rice seed is poorer than that of the routine seed ; concretely, its germination is more difficult, and so it is with the Technique degree in soaking seeds to hasten germination , sowing seeds to raise seedling .The main facts to affect sowing quality lies in the rates of cracking from grain husk and germinating, and the carrier rate. This paper claims the reasons of hybrid rice seed cracking from grain husk, the setting-out and grading selection of this kind of seed; then points out the characteristics of storage and the value for practical use and analyses the emergence of the procedure in seed production by the hybrid rice seed as well as the effect factors; finally puts forward to the measures to take the control of cracking from grain husk and germinating.

  Different ways of crops affectting on total grain yield in Liaoning province 2009, 25 (11):  56-59.  Abstract + ( 1323 )   PDF ( 454027KB )   ( 706 ) The trend of grain yield and the change of average yield per unit area and planting areas in Liaoning province in recent years was studied, and the stepwise regress analysis was applied to study the effect of grain yield per unit area and total planting area on total grain yield. The main results were as follows, the total cultivated area of Liaoning province has declining tendency in recent 26 years, the total grain yield and the grain yield per unit area increased in “wave” style; the grain yield per unit area and total planting area had the great effect on total grain yield, and the effect of yield per unit area on total grain yield is bigger than that of planting areas; the yield and the planting area of different crops also affected total grain yield greatly, and maize, rice, durra, wheat affect the total grain yield by grain yield per unit area , while millet, maize, wheat affect the total grain yield through planting area changing .

  Study on Eliminating False Positive Results of Pesticide Residues in Four Acrid Vegetables With Enzyme Inhibition Assay Sang Yuanyuan, Chai Lina, Wei Chaojun, Zheng Zhiqin, Wan Shanxia 2009, 25 (11):  60-64.  Abstract + ( 1365 )   PDF ( 710910KB )   ( 995 ) The promotion and the standard countryside flow of ground shift is current countryside comprehensive well-off society construction and one of new rural reconstruction important contents.Presently, should carry on the countryside flow of ground shift positively the theoretical analysis, promotes the countryside flow of ground shift legalization, the perfect government's guidance, the management and the service function, positively establish and consummate the countryside flow of ground shift mechanism, establishes the perfect countryside social security system.

  林业科学

  Effects of Straw Returning and Wheat Cultivars on Soil Water and Salt Movement and Wheat Yield Qu Xueyong, Ning Tangyuan 2009, 25 (11):  65-69.  Abstract + ( 1604 )   PDF ( 632304KB )   ( 704 ) To study the effects on water and salt movement and wheat yield of straw returning and wheat cultivars choosing, two wheat cultivars, salt-resistant wheat cultivars (Dekang 961) and common wheat cultivars (Lumai 10), were planted with or without straw returning. The results showed that straw returning decreased the water movement from deep soil layer to topsoil significantly, and also decreased the movement of soil salt. And using salt-resistant wheat cultivars could increase the capacity of salt-resistance, and decrease the movement of soil salt. Both using salt-resistant wheat cultivars and straw returning could increase the wheat yield. And the increase of wheat yield was resulted by the comprehensive improvement of yield components, among them the contribution of spike number per hectare was higher. Compare with straw returning, the using of salt-resistant wheat cultivars had more obviously effects on the decrease of soil salt moving and the increase of wheat yield. In conclusion, using salt-resistant wheat cultivars with straw returning is a better method to increase the wheat yield in saline soil.

  农艺科学

  Excavating and Application in Hybrid Rice of K-Type CMS，A New Kind of CMS Made form Japonica Zhu Yongchuan, Zheng Jiakui, Jiang Kaifeng, Xiong Hong, Xu Fuxian, Wan Xianqi 2009, 25 (11):  70-74.  Abstract + ( 1219 )   PDF ( 503016KB )   ( 702 ) K-CMS through the "japonica / indica / / Indica" composite creation of hybrid rice sterile cytoplasm，to cultivate used in large-scale production,By Rice and Sorghum Research Institute of Sichuan Academy of Agricultural Sciences. It has a "three high and one low," the characteristics of: High rates of stigma, the stigma of high living, high-end of the morning to spend the accumulated rate and low rate of closed-ying. And in combination to improve co-ordination, setting rate, 1000-grain weight and outcrossing habits have very good results.

  Studies on the effect of soil nutrient factors to yellow-leaf disease of poplar Yuan Guojun, Song Hongwei, Ma Junqing, Lu Shaohui 2009, 25 (11):  75-77.  Abstract + ( 1369 )   PDF ( 394078KB )   ( 665 ) The forest land area of soils from Xiuwu, Huixian, Jiyuan, Linying and Changge in where the yellow-leaf diseases of poplar outbreak in last year were collected. And, we studied on the effect of soil nutrient factors (i.e. Fe, Mn, Cu, Zn, P and so on) to yellow-leaf disease of poplar. The results indicated yellow-leaf disease of poplar would be severe occurrence if the content of available Fe was relative low in soil. But, it would be also severe occurrence even if the content of available Fe were high in some soil where the content of available P, Cu and Zn were relative high.

  植物生理科学

  Primary study of cell embryogenesis with different hormones in Gossypium Barbadense L. Zhou Xiaofeng, Jin Shuangxia, Li Baocheng, Yu Yu, Ning Xinzhu, Wang Xuwen 2009, 25 (11):  78-83.  Abstract + ( 1377 )   PDF ( 1126563KB )   ( 747 ) In this, island cotton (Gossypium Barbadense L.) somatic embryogenesis and plant regeneration were primary involved. And the result was as follows: got loose and flaxen callus with 2, 4-D+KT hormone combination, found un-embryonic callus continual used it; obtained hard and olivine or green callus with NAA+KT hormone combination, worked excessive growth later; got hard callus with IBA+KT hormone combination. Some embryonic cell could be induced with cell suspension cultures in the future.

  Review on Plant Internal Hormones Determination Methods Huang Xiaorong, Zhang Pingzhi, Wu Xinjie, Zhang Liya, Hu Guoyu 2009, 25 (11):  84-87.  Abstract + ( 2481 )   PDF ( 494577KB )   ( 3419 ) The achievements on the determination technology including biological methods, physical and chemical methods, immunological methods, of plant internal hormones were summarized, and new research areas of their detection methods were prospected.

  土壤肥料科学

  Effect of chemical fertilizer applied combing with organic manure on yield of rice and nitrogen use efficiency , ,Li Dong-Chu 2009, 25 (11):  88-92.  Abstract + ( 1478 )   PDF ( 562269KB )   ( 918 ) Effect of chemical fertilizer applied combing with organic manure on yield of rice and nitrogen use efficiency Abstract: four years in site field experiment were conducted to study in the effect of chemical fertilizer applied combing with organic manure on yield of rice and nitrogen use efficiency. The results showed that the sources of nitrogen in soil were mainly come from application. And it was account for above 95% of total nitrogen input. Nitrogen uptake by rice and nitrogen losses via ammonia volatilization was the main pass of nitrogen output. The inorganic nitrogen was easily absorbed by early rice and organic nitrogen was easily absorbed by late rice. Treatment of applied organic manure (M) and chemical fertilizer (NPK) had the same function of increased yield. Applied organic manure increased the soil organic matter and upgrades the soil productivity. The nitrogen use efficiency under the application of organic manure were 37.8% , higher than under the application of chemical fertilizer combing with organic manure (35.1%) and under the application of chemical fertilizer(25.7).

  Studies on the Residual Effect of Application Phosphorus on Red Soil of A Long-term Experiment Dai Cihua, Wang Jinsong, Dai Ping 2009, 25 (11):  93-97.  Abstract + ( 1808 )   PDF ( 459364KB )   ( 3086 ) There are many reports about increasing yield of Application Phosphorus and lack of Phosphorus on red soil, but less reports about the residual effect of application phosphorus on red soil of a long-term experiment. The author spends about 20 years studying the residual effect of application phosphorus. The results showed as follow. There is the residual effect after stopping application different amount of phosphorus-20 years. Some years the residual effect is also higher than the quarter-phosphorus fertilizer efficiency. The amount of application phosphorus and the residual effect of phosphorus is positively correlated. Phosphate fertilizer units and the residual effect of phosphorus show decreasing trends. Different treatment of residual effect of phosphate fertilizer with time extended decline. Corn planted on the soil which lack of phosphorus will not affect its nitrogen absorption. Farmers applying manure on red soil drylands can promote the decomposition of insoluble phosphate, and increase available phosphorus content in soil. If after using P2O5120kg/hm2 on red soil drylands for six consecutive years, and then stopping 4 to 5 years, the output will increase because of the residual effect of application phosphorus. This article provides a scientific basis for scientifically applying phosphate on red soil drylands.

  Effects of long-term Tillage on phosphorus in Albic Soil Ma Yanmei 2009, 25 (11):  98-101.  Abstract + ( 1290 )   PDF ( 477179KB )   ( 628 ) Phosphorus at home and abroad for the long-term positioning was located in most of the trial on fertilization, and the Research Of the effects of tillage was not many In this paper the long-term 16-year Albic soil has been studied, Test results show that effects of different tillage on total phosphorus and available phosphorus is far less than fertilization.Effects of different tillage on phosphorus in soil is interior to fertiliza- tion.No-tillage is more beneficial to accumulate soil total phosphorus than deep and conservation tillage, but isn’t beneficial to accumulate soil available phosphorus,of the phosphorus forms of all are increased, except for LOP; In the treatment of deep and conservation tillage, apart from Ca2-P, the variation tendency of other forms is same. Therefore, we can improve the situation of soil phosphorus fertilizer by taking the measures of different farming in addition to fertilization.

  Influences of the natural Zeolite on Phosphate Availability in Alluvial Soil Li Jianyun, Hua Quanxian, Tan Jinfang, He Xuemei, Tang Jianwei 2009, 25 (11):  102-105.  Abstract + ( 1602 )   PDF ( 502587KB )   ( 686 ) In this paper, batch method was conducted to study the effect of zeolite on phosphate availability in alluvial soil. It found that the phosphate adsorption rate in the natual zeolite was 39.2% of that in the alluvial soil. The phosphate desorption rate in the former increased 63.2% than that in the latter. When the natural zeolite application amount was 2.5 g, the natural zeolite significantly increased phosphate adsorption and desorption in alluvial soil. The phosphate adsorption rate in the treatment that the natural zeolite was added in alluvial soil prior to phosphate was lower than that in the treatment that phosphate applied to alluvial soil before the natural zeolite, while the phosphate desorption showed a contrary tendency. The natural zeolite had significant potential in phosphate preserving and supplying in alluvial soil.

  The Research on the Effect of the Fertilizer Synergist to the Virus-free Potato Chen Xiaojie, Ding Junjie, Jiang He, Gu Qing, Ma Yanping, Gu Xin, Yang Xiaohe, Shen Hongbo 2009, 25 (11):  106-107.  Abstract + ( 1341 )   PDF ( 360208KB )   ( 636 ) An experiment about a fertilizer synergist——Kangfuwei that was applied on potato was carried in 2008.After sowing seeds, we compared the effect of applying the regular fertilizer with applying only Kangfuwei on an area where was applied fertilizer in last fall traditionally. The results indicated that the average yield applied Kangfuwei was 20616kg/hm2 Comparing to regular fertilizer ,the difference was not remarkable. This method raised the fertilizer use factor and saved the fertilizer, it may promote the application on the potato.

  园艺园林科学

  Study on Introduction and Grow skill of Dahlia Pinnata outdoor xi’an Yang Qunli 2009, 25 (11):  108-116.  Abstract + ( 1369 )   PDF ( 626687KB )   ( 820 ) Dahlia is one of the flowers which have the most types in the world. Its flowers are big, various and colorful. Dahlia not only has numerous types and long colony inflorescence, but also has some value for medicine. In spring of 1996, more than 200 types of Dahlia were introduced from Lintao County of GanSu Provence to Xi’an Botanical Garden by the author. After more than 10 years of cultivation and study, many achievements have been achieved in propagation, cultivation, field management, prevention and cure of diseases and pests, and storage in winter, etc.

  Research on the Calcium Treatment on Physiological Characteristics of Postharvest Loquat Fruit zheng guo-hua 2009, 25 (11):  117-122.  Abstract + ( 1362 )   PDF ( 797053KB )   ( 740 ) Appropriate calcium treatment could obviously slow down the physiological activities of post-harvest loquat fruit. The results of the experiment indicated that spraying with calcium chloride, Ca2+ content of loquat fruit rose, the breath peak was postponed and the peak was lowered. The cell membrane Permeability, the content of the MDA showed an upward trend and the rate declined, which was lower than the control, with the increase of concentration of calcium. Calmodulin increased first and then decreased, and the peak increased with the increase of calcium concentration while the control was declining. The activities of SOD and CAT increased gradually and then declined with the prolong of the storage. The higher the calcium concentration, the smaller the rate. POD, PAL and other activities had an upward trend. But the effect of activity of PAL became obvious with the increase of calcium concentration. The activity of POD increased and its rate became smaller and lower than the control with the increase of calcium concentration. And it was discovered then that calcium concentration was too high which caused the slightly physiological diseases of the fruit. This explained that by using 1.5 percent calcium chloride spraying on the leaves and fruit at the same time can effectively slow down post-harvest physiology of loquat fruit and will not lead to physiological diseases.

  Effect of High Temperature Stress on Morphological and Physiological Characteristics in Leaves of Phalaenopsis Seedlings Yang Huageng, Chen Huijuan 2009, 25 (11):  123-127.  Abstract + ( 1901 )   PDF ( 573695KB )   ( 832 ) Abstract: Phalaenopsis seedlings were treated with the temperature of 40℃(day)/30℃(night) for 0,2,4,6 day respectively,the morphological characteristics and several related physiological indexes in leaves of Phalaenopsis seedlings were determined.The results showed that generation rate of the superoxide free radical(O2-.),the contents of malondialdehyde (MDA),soluble sugar and free prolin were gradually increased with prolonging stress time;During the early 2 day of treatment,soluble protein content ,SOD,POD,CAT activities increased dramatically ,but relative electrical conductivity and chlorophyll content increased slightly.There were no significant difference for relative electrical conductivity and chlorophyll content between during 2 day of treatment and control.The results indicated that the heat tolerance of Phalaenopsis seedlings was improved by enhancing the contents of soluble protein,soluble sugar,free prolin and activities of SOD,POD,CAT.Then the contents of soluble protein,chlorophyll,the activities of SOD,POD and CAT decreased significantly, relative electrical conductivity ascended sharply.

  On Tree Species of Yulania Spach and Its Application in Landscaping Zhang Yi, Jiang Weibing, Weng Mangling 2009, 25 (11):  128-132.  Abstract + ( 1212 )   PDF ( 570801KB )   ( 851 ) Tree species of Yulania Spach is Chinese traditional ornamental , officinal and spiceberry .According to correlative literature, this paper gives an inductive conclusion and evaluation of biological characters, distributing , main ornamental characters and use of primary species and varieties of Yulania Spach . Then it roundly summarizes the historical and cultural connotations of its representational types. And at last it systematically expounds means of its application in landscape.

  Effect of different materials priming on the Germination and physiological Characteristics of Aged Watermelon Seed xing yan ,wang ji qing,jian guang yu,shao xiu li 2009, 25 (11):  133-136.  Abstract + ( 1888 )   PDF ( 1044279KB )   ( 917 ) Abstract: Watermelon seeds viability often decreased in process of natural storage, so it is significant to enhance the seeds germination rate and germination power of watermelon foe watermelon seed production , storage and utilization . In this study, the aged watermelon seeds were selected as material, soaked by different concentrations of salicylic acid (SA), calcium nitrate and gibberellic acid (GA3), to study the effects on germination rate, related physiological and biochemical indexes of aged watermelon seeds. The results show that the activity of aged watermelon seeds was obviously increased after soaking, and the best treatment to promote germination was Ca(NO3)210mmol/L. Besides, conductivity and soluble sugar content of seeds lixivium, and MDA content of seeds were decreased obviously after treated by SA, Ca(NO3)2 and GA3, and SA treatment had the best obvious effects.

  Advance in Study of Functional Components in Citrus Zhang Min, Zhong Xiaohong 2009, 25 (11):  137-140.  Abstract + ( 1639 )   PDF ( 491554KB )   ( 1934 ) Citrus fruits are rich in flavonoids, carotenoids and limonoids et al. which are played an important role in function food and medical industry. This paper outlines the citrus functional components, the extraction and detection technology of the main functional components, in order to provide reference for the study of the functional components in citrus.

  Effect of the fermentation broth of three kinds of beneficial microorganism on the seedling growth of pepper Jian Guangyu, Su Baitong, Shao Xiuli, Xing Yan, Wang Jiqing 2009, 25 (11):  141-144.  Abstract + ( 1489 )   PDF ( 652889KB )   ( 840 ) In this experiment of Pepper Plug-seedling, the compound fermentation broth of Actionomycetes, PSB (Photosynthetic Bacteria) and Yeast agent, which diluted to different concentrations, was used as sowing bottom water, to study the effect of the compound fermentation broth to physiological and morphological index, dry materials of seedling stage. The result showed that the compound fermentation broth diluted 50 times obviously promoted growth, increased the fresh＆dry biomass of aboveground and underground, improved the soluble carbohydrase content and the root activity of pepper seedlings. However, the effects of fermentation broth diluted 150 times to physiological and morphological index, fresh＆dry biomass of seedlings were not obviously.

  植物保护科学

  Study on interspecies competition of three kinds of natural enemies of aphids in forest field Li Huiren, Chi Defu, Li Xiaocan, Yu Jia, Zhao Hongyun 2009, 25 (11):  145-150.  Abstract + ( 1529 )   PDF ( 515160KB )   ( 1123 ) Abstract: Under the condition of culture dishes rearing and gauze-cage rearing, the influence of interspecies competition on Leis axyridis, Propylaea japonica (Thungberg) and Chrysopa pallens ,which were three kinds of predatory natural enemies of aphids in forest field were studied. The results indicated that three kinds of larvae killed each other in the Petri dish space, the 1st instar larvae of L. axyridis and C. pallens were higher survival rate, and they could prey on P. japonica larvae. After 2nd instar larvae of L. axyridis was relatively dominant, which preyed on other two kind of larvae. In contrast, relatively large space with a gauze-cage, L. axyridis larvae and C. pallens larvae were relatively higher survival rate under the condition of more preys, P. japonica larvae was increased with age. Yet, C. pallens had higher survival rate under the condition of less preys, others were lower. Based on the research of adult stage, it showed that P. japonica taken prey in the shortest time under a common place, but C. pallens taken the longest time. Minimal disruption to L. axyridis, it preyed largest number of aphids, obviously, compared with other two kinds of adult stage, L. axyridis was dominant species.

  Studies on Fermentation Process of Bacillus amyloliquefaciens BJ-6 Wei Hong, Liu Suhua, Song Qingfeng, Bao Fang, Shang Qiaoxia, Liu Zhengping,Wei Yanmin 2009, 25 (11):  151-155.  Abstract + ( 1329 )   PDF ( 678046KB )   ( 1062 ) Abstract: The strain Bacillus amyloliquefaciens BJ-6 can secrete antagonistic substances during the fermentation process, which can inhibit many different kinds of plant pathogenic fungi. In order to improve the yield of antagonistic substances, 18 different kinds of fermentation medium for Bacillus sp. were tested and 7 medium which suitable to ferment the Bacillus amyloliquefaciens BJ-6 have been selected out by shaking culture. On this basis, the strain was cultured by No. 2 medium in 5L fermentor. Biochemical methods were used to detect alive bacteria count, protein produced amounts, consumption amounts of carbon and nitrogen source. It showed that the best fermentation time is 96h and the best supplementary time of carbon and nitrogen source is 8h-12h. During the fermentation process, pH and dissolved oxygen concentration have been recorded automatically by fermentor.

  Relationship between the crystal and bioactivity in different Bt strains isolated from different habitats Pan Xiaohong, Wang Feipeng, Yao Rongying, Wu Xiaofeng, Sun Linying, Lin Zhiyi, Guan Xiong 2009, 25 (11):  156-160.  Abstract + ( 1572 )   PDF ( 925530KB )   ( 684 ) Six new Bt strains, W14, ZY1, 3346, TMQ2, B31 and P91, were isolated from different habitats by NaAc-antibiotics method. Small- rhomboidal crystals were observed under microscope. SDS-PAGE showed that the molecular weights of the six new Bt strains were all about 130kDa. However, the contents of ICPs were only 0.2% to 0.29%. In addition, none of ICPs was found in B31. Bioassay results showed that the strains had low activities to Cotton Bollworm. We suggested that different sources and habitats infect the Bt ICPs contents and activities to target insects.

  A Putative RhoGEF May Involve in Regulation of Vegetative Growth and Conidiation in Magnaporthe oryzae , , , , 2009, 25 (11):  161-164.  Abstract + ( 1543 )   PDF ( 1322976KB )   ( 839 ) Guanine nucleotide exchange factor, an important G protein regulator, activates the G protein regulated signal pathways by switching on G protein from GDP-bound to GTP-bound state. Based on the genome annotation, the gene locus Mgg_11178.6 encodes a guanine nucleotide exchange factor for Rho GTPases (designated as MoRGF1) in Magnaporthe oryzae. Phylogenetic analysis showed that MoRGF1 shared high identiy with its homologs from other filamentous fungi. Two MoRGF1 deletion mutants, obtained by homologous recombination, displayed slower growth and obviously reduced conidiation, although with no change in pathogenicity when compared with their wild type. Our results suggested the putative RhoGEF may involve in regulation of growth and conidiation in M. oryzae.

  The primary study on the effect of Bacillus thruringlensis-Abamectin in preventing and curing the Wuyanlin Dendrolimus houi Lajonquiere Lei Zupei,，Zhang Lan，Kan Xianzhao，Zhang Shurun，Xie Liguo，Mao Xiaopen， 2009, 25 (11):  165-168.  Abstract + ( 1617 )   PDF ( 581489KB )   ( 601 ) In recent years , Dendrolimus houi Lajonquiere have brought serious influence on plants such as Cryptomeria fortunei Hooibrenk in Wuyanlin National Natural Resery. In order to control this actuality and find out methods to solve this problem, we develop biological test to Dendrolimus houi Lajonquiere particularly . The results showed the following: (1) After doing some comparative experiments, it turns out that the effect of the power of the proportion of 1:18 is better than that of 1:16，1:20，1:22 ；and (2) the two years’ continuing use of the power is better than that of just one year. Due to the restriction of time , we’ve just developed two years’ continuing use in biological test .In order to reveal the mechanisms underlying the effects variation of LvDebao, further study is necessary.

  农业资源与环境科学

  A resource-saving and environment-friendly innovative technology for modifying saline soil and greening in the Coastal Region Mao Jianhua, Wang Zhengxiang, Liu Taixiang, Ma Lvyi, Liu Hongqing 2009, 25 (11):  169-172.  Abstract + ( 1061 )   PDF ( 454942KB )   ( 781 ) Abstract: This paper introduces an innovative technology of soil modification by using the local saline soil, drainage and exhaust salt, draining off salt by using the summer rainfall, raising soil fertility technologies which can protecting cultivated land, saving freshwater and sustainable developed in modifying saline soil and greening in the Coastal Region, also analyses the ecological environment benefit.

  Initial Study of Soil Factors Affecting Growth of seedlings of Pinus sylvestris var. mongolica in arid desert area Li Yinke, Liu Shizeng, Yan Zizhu 2009, 25 (11):  173-175.  Abstract + ( 1183 )   PDF ( 473272KB )   ( 595 ) With the problem of partial seedlings of Pinus sytvestris var. mwngolica appear purple-red during growing seedlings in arid desert area, this paper has conducted the comparative research on soil properties of the plant nursery normal seedlings place and the purple-red seedlings place. The results show that, the main reason for the area Pinus sylvestris var. mongolica seedlings change to purple-red is that soil lacks for phosphorus. The low phosphorus land partial seedlings grow normally are because this place the soil sand content is high, the permeability is good, microorganism is active, these are all advantageous to the seedlings root absorb phosphorus.

  The agriculture weather index sign on sunflower feat sow seeds 2009, 25 (11):  176-179.  Abstract + ( 1541 )   PDF ( 471649KB )   ( 673 ) Pass to expect to sow seeds to experiment separately, make sure the river set to infuse main cash crop sunflower of area the best sow seeds period, and according to to should the weather data, adopt related analysis with return to return an analytical method, make sure sunflower feat sow seeds the agriculture weather index sign, build up sunflower feat dibble a period forecast.The result show,that sow seeds more early, the seedling expect and grow a period more long, accumulate also more high;The edible sunflower is feat to sow seeds the agriculture weather index sign to pass for the air temperature stability 5 ℃ first day, it is feat to sow seeds scope on April 6th ～ April 30th, the oil uses sunflower feat sow seeds the agriculture weather index sign to pass for the air temperature stability 10 ℃ first day, it is feat to sow period scope on April 19th ～ May 16th.

  Screening and Identification on Capable of Degrading Cellulose of a Produce Spore Cellulose Decomposing Bacteria XN-13 Wang Quan, Li Shuna, Li Hongya, Lei Baishi, Chen Yan, Zhang Lijing, Zhu Baocheng 2009, 25 (11):  180-185.  Abstract + ( 1282 )   PDF ( 666831KB )   ( 778 ) In order to screen degradation of strain to cellulose, more than 217 degrading strains were isolated from the cattle manure of different districts, and test their identification to cellulose through primary screening and secondary screening by Congo red plate method. The XN-13 strain had strong identification capability against the cellulose, and its enzyme activity is 1700U/mL. The strain would have a great value in the research about straw degradation and a good prospect in application. The mycelium shape and colony characteristic observation, a series of physiological and biochemistry experiments and determination of the sequence of 16S rDNA of the fungi had been done. XN-13 was identified as Bacillus subtilis. The obtained of a produce spore cellulose decomposing bacteria XN-13 is very important to industrialization and commodity of inocula.

  Analysis on the Quantities and Utilization of Crop Straw and its nutrient in Huang-Huai-Hai Region Gao Liwei,, Ma Lin, Zhang Weifeng, Wang Fanghao, Ma Wenqi, Zhang Fusuo 2009, 25 (11):  186-193.  Abstract + ( 1380 )   PDF ( 949581KB )   ( 854 ) Abstract: Based on agricultural statistics, investigate data of farmer and a number of data published in the literatures, this paper estimated the amount of straw and its nutrient resources, and analyzed the status of utilization of crop straw and its nutrient resources in Huang-Huai-Hai Region. Results show that with the quantity of crop straw more than 200 Mt in 2007, which include the amount of nitrogen (N), phosphorus (P2O5), potassium (K2O), organic carbon (C) nutrient are 0.19, 0.06, 0.30, 8.95 M t respectively. From the straw resource returned to field, compared to the year of 2000, the percentage of straw resource returned to field fell 13.6%, but the percentage rose 16.7% in Hebei Province while Henan Province and Shandong Province fell 13.6%, 12.6% respectively. From the main crop straw resource returned to field, the percentage of wheat stalk, maize straw resource in Hebei Province reach 65.1%, 53.0% respectively, and Henan Province 56.5%, 57.1% respectively while Shandong Province 44.8%, 18.1% respectively. From the percentage of straw nutrient resource returned to field, nitrogen (N) and organic carbon (C) are below 50%, but phosphorus (P2O5) and potassium (K2O) are more than 60% averagely, which also may be related to hypothetic of the percentage of straw nutrient returned to field as fuel and fodder, which supposed a majority of livestock and poultry excretion and ash of straw as fuel returned to field timely. Therefore to strengthen the livestock and poultry manure and ash management and increase those proportion of returned to field are important to raise the utilization rate of nutrient cycling and reduce the use of straw nutrient loss in environment.

  A research on the relationship between Azolla yield and energy consumption in wet culture DENG Su-Fang , , 2009, 25 (11):  194-199.  Abstract + ( 1267 )   PDF ( 584156KB )   ( 600 ) 【Objective】To make clear the relationship between Azolla wet-culture yield and energy consumption by yield test of wet cultured Azolla using different artificial light source energy consumptions.【Method】The Azolla yield comparison test using our original wet-culture device was carried out in the same wet-culture space with Three light intensity ranges set by T4 fluorescent tubes and five light resource settings.【Results】The Azolla wet-culture yield per unit area was highest when the light intensity on Azolla surface was 6000-7000Lux, and so was the yield per unit energy consumption per day. Too low (3000-4000Lux) and too high light intensity (9000-10000Lux) would decline the two yield indices. The Azolla wet-culture yield positively correlated with the amount and the length of root penetrated through the medium; in the same wet-culture space, the efficiency of energy transforming into yield would be improved by reducing the intervals between layers and the number of fluorescent tubes.【Conclusion】In the same wet-culture space, maintaining light intensity on Azolla surface between 6000-7000Lux and appropriately adding layers or reducing intervals between layers to adjust the artificial light source setting would reduce energy consumption and achieve the purpose that procuring higher yield with lower energy consumption.

  Grain-size distributions of Harbin fallouts and its source areas , , , , 2009, 25 (11):  200-205.  Abstract + ( 1426 )   PDF ( 588365KB )   ( 743 )

  Soil Contaminated by Heavy Metals and Its Phytoremediation Technology Wang Haihui, Huan Hengfu, Luo Ying, Liu Zhuang, Gao Ling, Li Chunhua, Liu Guodao 2009, 25 (11):  210-214.  Abstract + ( 1891 )   PDF ( 540349KB )   ( 2459 ) Abstract Soil pollution by heavy metals has been considered as one of the main environmental problems through the world nowadays and Phytoremediation of polluted soil is one of the important ways to make soil contaminant nontoxic. This topic includes the present state of heavy pollution in soil and the harm of soil heavy metal contamination and the types、advantage and disadvantage of phytoremediation. Bsides , the developmental trend of phytoremediation is put forward.

  Biodiversities of Daqing Wetland and Countermeasures for Protection 2009, 25 (11):  215-219.  Abstract + ( 1539 )   PDF ( 541351KB )   ( 847 ) Daqing wetland is one of the most important natural resources. We have investigated Daqing Longfeng and Zhalong wetland nature reserve Dangnai section from March 2007 to December 2008 to master the biology resources and realize the sustainable use. The result shows that there are four hundred and sixty-nine kinds of plants and three hundred sixteen kinds of vertebreats in Daqing wetland. Resources of invertebrates are quite abundance which have high biodiversity value. Now the wetland and its ecosystem biodiversities are threatened by climate and artificial factors. The article discusses the biodiversities in Daqing wetland and considers that we must take firm strategy to protect Daqing wetland and maintain its ecosystem biodiversities. At the meantime the author put forward reasonable suggestions to protect Daqing wetland.

  热带农业科学

  Profile of The Soil Nutrients in Vanilla Plantations of Hainan Province Wang Hua, Zhu Zihui, Yang Jianfeng, Wang Hui, Cheng Ningning 2009, 25 (11):  220-223.  Abstract + ( 1566 )   PDF ( 450218KB )   ( 747 ) Top soil samples(0～20cm) from the main vanilla plantations in Hainan Province were analysed. The results showed that pH values in 79.31％ orchards were unsuitable for vanilla growth, and soil organic matter in 31.03％ plantations were lower, plantations lacked available macro-nutrient P, K and N were 79.31％, 48.28％ and 27.59％, respectively; Plantations lacked available second nutrients Ca and Mg were 96.55％ and 100％, and plantations lacked available micro- nutrients Cu and B were 10.34％and 100％. However, plantations contained excessive available micro-nutrients Fe, Mn, Cu and Zn were 100％, 96.55％, 55.18％ and 96.55％, respectively. Therefore, Some scientific and reasonable measurements should be planed, such as, more organic manure, phosphorus, calcium, magnesium fertilizer application, especially, boron fertilizer in order to meet the needs of soil for trace elements. Most plantations should be implemented a reasonable application of lime to soil acidity because of vanilla sensitive to soil pH, and government and agricultural department should pay more attention to propagandize and carry out balanced fertilization investigation.

  Stylosanthes; comprehensive evaluation; drought tolerant indexes; germplasm resources Xue Rui,, Zhou Guangqi, Hu Xinwen, Guo Jianchun, Tang Yanqiong 2009, 25 (11):  224-233.  Abstract + ( 1409 )   PDF ( 725777KB )   ( 734 ) In order to comprehensively evaluate the drought tolerance of the China Stylosanthes germplasm resources, which included the principally promotional cultivars and some imported species. In this study, it was first time by using membership function values as an indicator to study the drought tolerance of 44 selected Stylosanthes germplasms through randomized block design and 4 controlled soil water gradients. The results showed that 8 indexes have been identified to be significantly correlative to water stress, in which the factors with positive correlation to drought tolerance are the relative biomass, the relative plant height, the drought resistant level of leaves, the relative praline , the relative qP, the relative Fv/Fm and the relative Fv’/Fm’; the factors with negative correlation to water stress is the relative conductivity. The results from the comprehensive evaluation have indicated that the 44 selected Stylosanthes germplasms with the strongest drought tolerance are: Stylosanthes guianensis cv. Reyan No.5, S. guianensis USTPRC90139, S. guianensis cv. Endeavour①, S. guianensis cv. Endeavour② and S. guianensis CIAT11369, the weakest are: S. guianensis CPI18750A, S. guianensis TPRC90037②, S. guianensis TPRC90037③, S. guianensis TPRC90028. Cluster analysis based on comprehensive ranker of drought tolerance showed that the 44 Stylosanthes germplasms can be divided into three categories: 10 species of them show highly drought tolerance, 15 species of them are with middlely drought tolerance, 19 species of them are with lowestly drought tolerance,. The results provide the theoretic and practical scientific data for selecting the excellent Sthlosanthes germplasms and breeding materials.

  农业信息科学

  Brief Statistical Analysis of Authors of Natural Science Papers in China Yang Zhiqing, Pan Yuntao , Zhang Yuhua, Ma Zheng, Su Cheng, Guo Hong, Xu Bo, Yu Zhenglu, Hu Zhiyu, Yuan Junpeng ,Yu Liangxing, Zhang Mei, Wang Xiaoqin 2009, 25 (11):  234-242.  Abstract + ( 1491 )   PDF ( 701017KB )   ( 699 )

  Application of Data Mining in Agricultural Infomation Liang Chuan, Wang Wensheng, Xie Nengfu 2009, 25 (11):  243-247.  Abstract + ( 1375 )   PDF ( 517670KB )   ( 792 ) 【OBJECTIVE】 By taking use the technology of data mining to resolve the problem of “information explosion but lack of knowledge ”in agricultural research. 【METHOD】In this paper, we introduce and analysis the characters of data mining technology and agricultural information .【RESULTS】Offer a proposal that using data mining in agriculture area and on the foundation of the technological process and the concrete technology of data mining, construct a data mining system with three layers basing on agriculture, and introduce the functions of each layer. 【CONCLUSION】 By using data mining technologies, this paper aims to improve the service level of the Agricultural Database, based on their existing large-scale data storage and powerful computing capabilities.

  农业工程科学

  Research of integrated evaluation of the effectiveness for water-saving farming systems Shen Changyue, Luo Qiyou 2009, 25 (11):  248-253.  Abstract + ( 1198 )   PDF ( 521759KB )   ( 718 ) Different natural conditions of economic and social constraints and other factors create different water-saving farming systems. Carrying out a comprehensive evaluation of the effectiveness, contributions of various factors together assess the rate of water-saving farming systems. The article explored the formation of water-saving farming systems of the main factors and their impact on the development of water-saving farming systems in the form of constraints,we call it mechanism of water-saving farming systems analysis.Besides,its also a help for Researching the integrated evaluation effectiveness of water-saving farming systems.

  Wind Tunnel Experiment on Anti-Wind Erosion Capacity of Four Crop Stubbles in Horqin Sandy Land Li Mei, Hu Yuegao, Zeng Zhaohai, Ren Changzhong,, Mao Ning, Song Weijun, Jia Pengfei 2009, 25 (11):  254-258.  Abstract + ( 1469 )   PDF ( 560673KB )   ( 682 ) Abstract: Wind tunnel experiments were conducted to test anti-wind erosion capacity of different crop stubbles in Horqin Sandy Land. The main influential factors of wind erosion were analyzed in the field condition. The results indicated that the crop stubbles had significant effect on anti-wind erosion. At the same wind velocity, the anti-wind erosion capacity was found higher in oat stubble land (OL), followed by maize stubble land (ML), sunflower stubble land (SL), mungbean stubble land (MBL) and traditional plough tillage land (PL). Compared with wind erosion in plough land, the threshold wind velocity for stubble land of oat, maize, sunflower and mungbean is increased by 53.3%, 17.8%, 11.1% and 8.9% respectively. Moreover, the wind erosion rate had a negative correlation with crop stubbles coverage, soil surface moisture, terrain aerodynamic roughness, soil bulk density and soil compactness. No-tillage stubble measures can effectively control wind erosion and prevent desertification in Horqin Sandy Land.

  The comparative study on the value of maintaining soil fertility for land consolidation Dai Guangyin,, Xia Jianguo, Zhang Zhilin, Pang Bofu, Gao Fuli 2009, 25 (11):  259-263.  Abstract + ( 2211 )   PDF ( 983634KB )   ( 727 ) Land consolidation will unavoidably impact the environmental elements and ecological process, we conducted a comparative study on soil fertility's maintaining value in different types of Qiong Lai city's land consolidation program zone base on the theoretical value of ecosystem services, which can provide quantitative basis for the land consolidation decision-making, quality and efficiency evaluation. The results show that, soil fertility keeps accumulated value of land development zone 15100 RMB per hectare, and land reclaim zone 18500 RMB, and land consolidation zone 4900 RMB. The rate of accumulated value of land reclaim zone reachs to 147.2%, which higher than land development zone and land consolidation zone. This result related to the land reclaim zone by soil transformed. The total value of soil fertility in program zone after land consolidation keeps increasing 7338800 RMB, which comes from the increased cultivated land and the improvement of family land. The soil fertility keeps scale in development zone is 0.05, reclaim zone is 0.09, consolidation is 0.46, from which land consolidation have highest benefit. It shows that improve agricultural infrastructure and improve soil fertility as the main characteristics of the type of land investment in less-effective to maintain soil fertility, should be advocated.

  三农问题研究

  Government support on the creative agriculture’s development 2009, 25 (11):  264-270.  Abstract + ( 1182 )   PDF ( 742176KB )   ( 1023 ) Creative agriculture is a kind of new industries which integrate agriculture、technology、art and innovative wisdom to meet the needs of a special market. The industry development can be grouped into six different paths,, including the agricultural resource substitution, the agricultural process using, the agricultural environment using, the agricultural waste material using, the transition of agricultural product using, the exploration of agricultural festival celebration and so on. The Government should take the agricultural park for Kit, make efforts on overall planning, construction of industrial chain, sponsoring festivals, personnel training and so on.

  Problems of Land Expropriation System in Process of Urbanization and Countermeasures Zhao Wei, Zhang Zhengfeng 2009, 25 (11):  271-276.  Abstract + ( 1406 )   PDF ( 489126KB )   ( 951 ) At present, China is entering into a rapid development stage of urbanization. The urbanization process accelerates the scale and rate of non-agriculturization of agricultural land. Meanwhile, it brings a series of social problems, which are represented by land expropriation. These problems included broad land expropriation scale, abnormal expropriation compensation, single settling pattern for land-lost farmers, and nontransparent land expropriation process. Based on analysis of the problems in the land expropriation system, the corresponding measures are put forward in four respects, including limiting scope of land expropriation, establishing compensation standard of land expropriation, settling land-lost farmers and improving system and process of land expropriation.

  The Problem and Suggestion of Assessment of Agricultural Science and &Technology Bian Quanle 2009, 25 (11):  277-283.  Abstract + ( 1154 )   PDF ( 562586KB )   ( 643 ) Agriculture science & technology assessment is a kind of special consulting and evaluating to the science & technology policy, plan, developing area, project, achievement, institution and so on, which according the mandatory’s object, with plenty of objective facts and date, obeying the principle and standers, with scientific and feasible method, by special assessment societies. The orders are reducing the optional and haphazard decision of agriculture science & technology, and distributing the agriculture science & technology resource effectively and emphasis. With the opening and objective standard, the result of the assessment can create the democratic, equal and competitive agriculture research environment. Agriculture science & technology assessment has 9 functions and obeying 8 standards. Now, the main problems of the agriculture science & technology assessment are: emphasis on the head and the end, but without the procedural testing or global evaluating; without the definite position; the neutral assessment system is necessary; and the evaluating ability needs increasing. The suggestions are: positive the standard rates of the science & technology assessment; establishing and completing the administration system and normalized processing of the science & technology assessment; establishing and completing the supporting system of the agriculture science & technology assessment; educating the human resources of the agriculture science & technology assessment; reinforcing the index system and method of the assessment considering the present agriculture science & technology status; global evaluating; establishing and completing the incentive system of the science & technology assessment; establishing the agriculture science & technology assessment system with the international standards.

  Analysis on Risk of Financial Industry and Agriculture of China under the Global Financial Crisis Wang Mianzhui, Liu Li, Xiao Xiaowen, Zheng Jiajun 2009, 25 (11):  284-288.  Abstract + ( 1426 )   PDF ( 1321605KB )   ( 756 ) Abstract: The change of industrial structure is an important feature of the development of the economy. Meanwhile, the Input-Output Model is an economic quantitative analysis that examines the co-relations between different industries and analyzes the macro-economic status of a nation or a region. When facing the global financial crisis, to use the Input-Output model in analyzing the relations between financial industry and other industries has become an important method to discover the internal mechanism. This thesis chooses three indicators-intermediate input, influence coefficient and reaction coefficient-to analyze the development of financial industry in Beijing and Shanghai under the global financial crisis. This paper finds that the risk of industries is lower in China but the risks will be higher in Beijing and Shanghai. Agriculture should been maintenance. Key words: Input-output, financial industry, intermediate input, China, Beijing, Shanghai.

  The Current Situation and tactics of implementing the brands of agricultural products in Fujian Province Luo Weilu, Liu Ningqing 2009, 25 (11):  289-292.  Abstract + ( 1458 )   PDF ( 529583KB )   ( 716 ) From 1990s, with the end of the shortage of agricultural products, the market demands have been changing, and the sales of agricultural products were facing serious challenges. Especially after entering the WTO, the commercialization of agricultural products were increasing, the competition of the agricultural products are more and more furious. The agricultural products of good brand is the core of market, so they have been the objective of the market and their status were gradually rising in the market. Aiming at the actuality of development of the article agricultural products in Fujian Province, after the analysis the factors of the brand of the agricultural products, the article gave the objectives and countermeasures of actualizing the brand of the agricultural products in Fujian Province.

  The Influence of the Taiwan Countryside Construction, Researching the Pan Dong-ting Lake Area’s New Rural Area Planning Qin Yonghui, Wu Xiao, Zhang Lianbiao, Zhang Qiang 2009, 25 (11):  293-296.  Abstract + ( 1475 )   PDF ( 478460KB )   ( 601 ) Analysis the Taiwan countryside construction, researching the Pan Dong-ting Lake area’s new rural area constructing planning, from the threshold analysis, adjustment structure, constructs organization, perfect laws and regulations, land reform, development science and technology education, Industry counter- nurture agriculture, ecology environmental protection and takeing measures against natural disasters.

  An Analysis on Chinese Agricultural Restructuring Huang Zhenshan 2009, 25 (11):  297-300.  Abstract + ( 1112 )   PDF ( 968204KB )   ( 583 ) With the advancement of globalizion, the comparative advantage of agricultural product will be changing. It is conducted that how it evolves with the help of process of independent random increment, Markov. Hopfully, it would be theoretically helpful for China’s agricultural restructuring.

  Thoughts on Troops Construction of Rural Practical Talents Yang Li, Zhao Ruiquan, Zhou Xuesong 2009, 25 (11):  301-303.  Abstract + ( 1584 )   PDF ( 417215KB )   ( 920 ) Abstract: The current situation of rural practical talents is analyzed. The main problems of troops construction of rural practical talents is indicated，The suggestions and strategy are put forward from angles of management and evaluation in order to accelerate the troops construction of rural practical talents and proper transformation and application of agricultural scientific outcome.

  Through Introducing Participatory Performance Evaluation System in Work Relief Projects Improving the Social Benefits of the Projects Huang Yannan , Liu Yonggong 2009, 25 (11):  304-306.  Abstract + ( 1190 )   PDF ( 521565KB )   ( 560 )