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Please wait a minute... For Selected: Download Citations EndNote Ris BibTeX Toggle Thumbnails Select Coupling Coordinative Degree of Natural Resources-Economy-Ecological Environment System in Urumqi City Mailiya Abulizi and Maituoheti Anayiti Chinese Agricultural Science Bulletin    2015, 31 (32): 99-105.   DOI: 10.11924/j.issn.1000-6850.casb15070019 Abstract + (8772)       PDF (1542KB) (720)       Knowledge map    To study the coupling coordination type of natural resources, economy and ecological environment subsystems and the changing trend of their coupling coordination degree in the future in Urumqi City, with the help of coupling function in physics, a coupling coordination degree index system about natural resources-economy-ecological environment system was built. Quantitative analysis of coupling relationship among the three subsystems was conducted using the coupled coordination degree mathematical model and related calculation method based on the relative statistic data of Urumqi City from 2001 to 2013. Then GM (1, 1) prediction model was used to predict coordinated development trend of the next three years. The results showed that the overall degree of coupling coordination presented an upward trend in Urumqi City from 2001 to 2013, and its value was 0.279-0.502, increased from 0.279 in 2001 to 0.477 in 2013, but its value in 2013 decreased by 0.025 compared with that of 2012, transforming from barely coordination to the verge of disorder. Prediction results showed that in the next three years, coupling coordination degree of natural resources-economy-ecological environment system would be improved obviously, and the coupling coordination degree was 0.476, 0.495 and 0.516, respectively, and the coordination type would transform from disorder into barely coordination gradually. Select Effects of Genotype and Ecological factors on Content of Aroma Components of Tobacco Cheng Changxin, Lu Xiuping, Xu Zicheng, Huang Pingjun, Zhang Ting Chinese Agricultural Science Bulletin    2005, 21 (11): 137-137.   DOI: 10.11924/j.issn.1000-6850.0511137 Abstract + (8014)             Knowledge map    Aromatic matter was the important factor of tobacco quality. Quality, volume and flavor of aroma were determined by ingredient, content, proportion and interaction of aromatic components. The phenotype of aromatic matter was controlled by both genetic and Select Research Process of Soil Enzymes Effect on Carbon and Nitrogen Cycle in Agricultural Ecosystem Bian Xuelian,Zhao Wenlei,Yue Zhonghui,Wang Huiyi,Jiao Hao and Sui Haixia Chinese Agricultural Science Bulletin    2016, 32 (4): 171-178.   DOI: 10.11924/j.issn.1000-6850.casb15090077 Abstract + (4086)       PDF (681KB) (1006)       Knowledge map    The paper aims to analyze research progresses of soil enzymes in China and abroad, and summarize the role of soil enzymes in carbon and nitrogen cycle in agricultural ecosystem, in order to provide reference for agricultural production. Soil enzyme is a kind of protein that could catalyze biochemical reactions. It plays an active role in catalyzing non-exclusive organic substances, organic substances and certain mineral compounds into a variety of nutrient substances and some useful elements that could promote the growth of vegetation, and has an active effect on the development of agricultural ecosystem. At present, soil enzymes have been used as important indicators of soil carbon and nitrogen cycle, and the process of nutrient cycle in soil could be reflected by the change of enzyme activities. Select The Overview of Eco-agriculture with High Efficiency null Journal of Agriculture    2011, 1 (7): 23-33.   DOI: 10.11924/j.issn.2095-4050.2011-xb0439 Abstract + (2938)       PDF (1084KB) (2512)       Knowledge map    From the purpose, content, characteristics, principles, patterns and technology of eco-agriculture with high efficiency, the theory and practice of eco-agriculture with high efficiency had been analyzed generally and systematically. The results showed that: (1) the concept of eco-agriculture with high efficiency was purposed in 1991 in China; (2) Eco-agriculture with high efficiency emphasized on the ‘high efficiency’, ‘ecological’ and ‘combine’; (3) Eco-agriculture with high efficiency had a lot of characteristics with more organisms, good environment, good structure, strong function, good quality, high efficiency, low-carbon emissions, and sustainable development; (4) The principle of the eco-agriculture with high efficiency with the increasing of output and efficiency lay with full use of land, three-dimensional use of sunlight energy, excess use of seasons, multi-layer use of moisture, high efficient use of fertilizer, symbiosis and complementation among organisms, ecological disaster-reduction, and recycling use of agricultural resource; (5) The typical modes of eco-agriculture with high efficiency were these: the three-dimensional use of agricultural resource, the type of biological symbiosis among organisms, the conjunction type of conglomerate, the type of the industrial extension, the technology-driven type, the type of the environmental improvement, the resource recycling type, and the type of the leisure travel; (6) The key technologies of eco-agriculture with high efficiency were these: the resources saving technology, the irrigation and fertilization regulating technology, the biological soil improving technology, the disaster prevention and reduction technology, the resource comprehensive utilization technology, the soil and water conservation technology, structural adjustment technology, the new energy development technology, the valley harnessing technology, and the current modern new high technology. Select Investigation of Xiaojinggou Ecological Park Medicinal Flowering Plant Resources null Journal of Agriculture    2011, 1 (2): 30-33.   DOI: 10.11924/j.issn.2095-4050.2011-xb0168 Abstract + (2797)       PDF (917KB) (2261)       Knowledge map    By investigating and analyzing medicinal flowering plants of Hohhot Xiaojinggou ecological park, the results appeared in the wild flower plants with medicinal value of 53 families, 143 genera, 253 species, of which most species of composite, a total of 19 genera, 36 species 14.22% of the total number of species, followed by 12 genera and 28 species of Leguminosae, 11.06% of the total number of species; which antipyretic plant contained the largest number of subjects, a total of 19 families and 71 species, accounting for 28.06%. There were 5 families and 6 species Mongolia specific medicinal plants in it, accounting for 2.37%, and proposed ways to protect and use. Select Review of High-throughput Sequencing Techniques in Studies of constructedwetland Microbial Diversity Chinese Agricultural Science Bulletin    2016, 32 (5): 10-15.   DOI: 10.11924/j.issn.1000-6850.casb15090065 Abstract + (2328)       PDF (575KB) (921)       Knowledge map    The paper aims to explain the theory of purifying the water body with wetland from the perspective of microbial diversity. The process and principle of the next- generation sequencing technology—highthroughput sequencing technology was analyzed, the advantages and disadvantages of high- throughput sequencing technology applications and the high-throughput sequencing technology application in wetland microbial diversity were summarized in this paper. Meanwhile the broad application value of high-throughput sequencing technology in the diversity and dynamics of the microbial community of artificial wetland was obtained, the high-throughput sequencing results in huge data processing and other issues were pointed out in this paper. Because the high- throughput sequencing technology has unique advantages, it has a great application prospect in the study of wetland microbial diversity. Select The Economic Analysis of the Water Resource Crisis in Our Country and Its Resolution Lu Jiebin Chinese Agricultural Science Bulletin    2005, 21 (5): 400-400.   DOI: 10.11924/j.issn.1000-6850.0505400 Abstract + (2308)             Knowledge map    The text begins with the analysis of the serious situation about Water resource in our country, and point out the natural and manmade reasons, which result in the crisis of Water resource. And then the author makes a thorough discuss about the crisis using the economic theory of outside and public resource. At last, the author thinks that the fundamental solution lies in the foundation of water rights and water market in order to dispose the Water resource properly. Select Advances in Ecological Compensation of Facility Agriculture in Tianjin null Journal of Agriculture    2011, 1 (6): 29-35.   DOI: 10.11924/j.issn.2095-4050.2011-xb0461 Abstract + (2298)       PDF (1013KB) (1924)       Knowledge map    The developing situation of the modern facility agriculture and corresponding policy measurements of agro-ecological compensation in Tianjin was overviewed. Regarding to the ecological environmental problem in the development of the intensive facility agriculture, learning from EU advanced environmental-friendly technical measures and successful policy management experiences, based on the demonstration and achievement of international cooperative projects between Sino and EU, Sino and Germany, policy suggestions, including to study on the agro-ecological compensation in the facility agriculture; to draw up agro-ecological compensation developing scheme of Tianjin and to set up special subsidy or fund of which, combined with coastal metropolis agro-characteristics, to perfect technical support system of facility agriculture agro-ecological compensation (FAAEC); to establish monitoring and evaluating system on FAAEC of coastal metropolis; to enhance farmers organized level, to promote industrial progress of the facility agriculture, was put forward to provide theoretical and practical reference for the Tianjin government. Select Transgenic Maize Evaluated for Resistance to the Asian Corn Borer (Lepidoptera: Pyralidae) He Kanglai, Wang Zhenying, Wen Liping, Bai Shuxiong, Zhou Darong Chinese Agricultural Science Bulletin    2004, 20 (6): 240-240.   DOI: 10.11924/j.issn.1000-6850.0406240 Abstract + (2213)       PDF (1172034KB) (731)       Knowledge map    A transgenic Bt maize hybrid expressing Bacillus thuringiensis (Bt) toxin, Cry1Ab protein, and its negative isoline hybrid were evaluated for against the Asian corn borer, Ostrinia furnacalis (Guenée), in field trials and laboratory bioassays. The Bt hybrid, NX4777, was developed by Novartis Seeds, using event Bt11, which expresses Bt toxin in green tissue as well as reproductive tissues including the tassel, silk, and kernel. Bt hybrid was compared with the negative isoline control, NX4906. Maize plants were artificially infested with neonate larvae of the Asian corn borer at the mid-whorl, pre-tasselling, and silking stages. Hybrid resistances were based on leaf feeding ratings, larval controls, as well as stalk and ear damages. Bt hybrid sustained significantly less leaf feeding damage (rating 1) than its negative isoline control (rating 7). On average, there were only 0.04~0.20 larvae survived per plant, 0.11~0.15 tunnels per stalk with 0.13~0.41 cm tunnel length per plant, respectively, and none of plants were stems broken or ears damaged on Bt hybrid under different infestations. In contrast, there were 6.19~12.41 larvae survived per plant, 4.48~7.05 tunnels per stalk with 12.41~24.09 cm tunnel length per plant, respectively, and 73.6%~95.5% plants were stems broken and ear damage ratings was 5.9 on the negative isoline control. Laboratory bioassays indicated that there were only 0~1% of larva survived when neonates fed on fresh whorl leaves, young tassel, and fresh silk of Bt hybrid, compared with more than 88.7% of larvae survived on the negative isoline control. These results demonstrate that transgenic Bt maize can provide season-long control of the Asian corn borer. Select Nationally Approved New Maize Variety ‘MC278’: Breeding, Characteristics in Different Ecological Areas and Main Cultivation Techniques WANG Xiaoguang, QU Wenjie, LIU Chunge, WU Peng, WANG Ronghuan, FENG Peiyu, SHAN Hong, SHI Guiqing, LENG Yan, CHENG Guanglei Chinese Agricultural Science Bulletin    2022, 38 (15): 17-21.   DOI: 10.11924/j.issn.1000-6850.casb2021-0752 Abstract + (2131)    HTML (8)    PDF (1068KB) (66)       Knowledge map    In view of the shortage of water and heat resources in different ecological areas, and the frequent occurrence of wind disaster, lodging, low yield, poor quality and other problems in maize production, a new maize variety ‘MC278’ was bred by taking ‘Jing X005’ as female parent and ‘Jing 27’ as male parent. The inoculation tests of the variety in Jilin, Hebei and other places showed that it had strong resistance to small spot disease, Curvularia, dwarf mosaic, silk smut and stem rot, and was easy to infect large leaf spot, and it was moderately resistant to corn borer in Jilin. In the regional trials in Beijing, Inner Mongolia and other regions in different years, the kernel yield of ‘MC278’ was significantly higher than that of ‘Zhengdan 958’ (CK), the highest yield was 16166 kg/hm2, and the average yield was increased by 8.3%. The content of crude protein, crude starch and lysine of ‘MC278’ were significantly higher than those of ‘Zhengdan 958’. In 2019, the production in Hebei, Shanxi, Inner Mongolia and other regions showed that the yield of ‘MC278’ was all more than 12804 kg/hm2, and the maximum yield was 14283 kg/hm2. ‘MC278’ was equipped with field management measures and harvest techniques, such as suitable sowing date, density and water and fertilizer management, and prevention and control measures of diseases and insect pests. The variety passed the national examination and approval in 2019 (National Approved Maize Variety No.20190030), and its planting area now includes 15 provincial regions, such as Anhui, Shanxi, Shandong and etc. Select The Spatial Distribution of Ecological Community and Vegetation Restoration in the Source Region of Minjiang River null Chinese Agricultural Science Bulletin    2011, 27 (4): 42-47.   DOI: 10.11924/j.issn.1000-6850.2010-2131 Abstract + (1996)       PDF (790158KB) (1043)       Knowledge map    In order to protect the biodiversity, the restoration of the degraded vegetation is indispensable. According to the gradient of the altitude in the source region of Minjiang River, three transects of vegetation plots were settled to investigate the facts of the vegetation and the environment. Then two databases of the sites and species were established. Then the regression analysis between the ordination axes and environmental elements were applied. The results suggested that: On the first axis scores of DCA, the altitude was increasing gradually from up to down, the gradient pattern of altitude distribution of vegetation got to embody. In the middle of mountain body, there were many layers of vegetation structures, and the main arborous species were Abies faxoniana, Picea asperata and small mount of Betula platyphylla Suk. Using the DCA analysis to sort, the author analyzed the 73 quadrats and 316 plant species, calculating out the average values of the axis scores of DCA of each formation, combined with the result of DCA ordination in previous paper, namely, the ecological gradient relationship and physiological characteristics of vegetation and ecological adaptability which the axis scores of DCA showed, we got the succession relationship of vegetation formation of the source region of Minjiang River: Ass. Abies, Picea-Ass. Sibiraea angustata, Spiraea spp.-Ass. Caragana spp., Berberis amurensis-Ass. Imperata cylindrical. The objective community and objective species were chosen to restore for the different growth form of vegetation. Under the conditions of the vertical distribution regularity was obeyed, the objective community of restoration in subalpine coniferous forest belt was: Ass. Abies faxoniana+(Ass. Rosa omeiensis+Ass. Rhododendron clementinae+orientalis Ribes glaciale)+(Ass. Fragaria gracilis+Ass. Fragaria+Ass. Carex capilliformis); Ass. Picea asperata+(Ass. Rosa omeiensis+Ass. Sibiraea angustata+Ass. Salix cheilophilla)+(Ass. Fragaria gracilis+Ass. Carex capilliformis+Ass. Polygonum hubertii+Ass. Fragaria orientalis). The objective community of restoration in the alpine scrub belt: Ass. Salix cupularis+Ass. Carex lanceolata, Ass. Sibiraea angustata+Ass. Koeleria cristata, Ass. Spiraea alpina+Ass. Carex capilliformis, Ass. Caragana tangutica+Ass. Carex crebra. The objective community of restoration in the alpine meadow: Ass. Imperata cylindrica+Ass. Carex capilliformis. During the time of vegetation recovering, we should develop the multi-hierarchial classification, multi-species, multi-structure community structure of trees, brushes and grasses , increase the comprehensive ability of vegetation resisting external destroying, at the same time, taking kinds of engineering measures to restore the ecosystem of the source region of Minjiang River gradually. Select SWOT Analysis of Ecotourism Industry in Zipeng Mountain National Forest Park Ren Ping Chinese Agricultural Science Bulletin    2006, 22 (9): 400-400.   DOI: 10.11924/j.issn.1000-6850.0609400 Abstract + (1995)             Knowledge map    This paper analyzes detailedly the strength, the weakness, the opportunities and the threats of the ecotourism industry in Zipeng mountain national forest park with SWOT analysis method, include the strength of its position, animal resources, vegetation resources, climate and exploitation potential, the rise of ecotourism industry, the ecological engineering implementation, scarcity of professional, low management level and with low service level, etc. This paper also tables some proposals about developing ecotourism industry in Zipeng mountain national forest park based on the analysis, whish mostly comprise paying equal attention on the conservation and exploitation, the forest tourism resources exploitation, the ecotourism product exploitation, enlarging the propaganda, training and introducing professional, improving management quality, raising the service level, perfecting infrastructural construction in Zipeng mountain national forest park, and so on. Select Deterioration of Ecological System in Minqin Challenges the Nation Pu Weihui Chinese Agricultural Science Bulletin    2008, 24 (5): 0-null.   DOI: 10.11924/j.issn.1000-6850.20085550 Abstract + (1987)       PDF (683070KB) (1192)       Knowledge map    This paper, based on a scientific research of current ecological situation of Shi Yang River and, especially with a scientific investigation and report of the history of oasis desolation in Minqin, makes an objective analysis focusing on the major problems and contradictions concerning water resource, damages caused by sandstorm, economic development and ecology protection, immigration and fund investment in the course of protecting ecological environment in Minqin. At the same time, it puts forward some strategies and suggestions for the future integrative administration of ecological environment of this area. Select The analysis of efficient planting pattern and benefit of flue-cured tobacco barley and peanut riped three times in one year Xu Dafang , Li Zhang , Wang Hang, Wang Conglong, Ma Jingmin Chinese Agricultural Science Bulletin    2005, 21 (2): 81-81.   DOI: 10.11924/j.issn.1000-6850.050281 Abstract + (1982)       PDF (992148KB) (681)       Knowledge map    The main technical measures and planting notice that the flue-cured tobacco, barley and peanut riped three times in one year were studied, the benefit of which was also analyzed. It was showed that the net income that the tobacco grower earned could exceed 29,250 yuan/hm2 at this pattern, which increased 11250yuan/hm2 when compared with the pattern that only planting tobacco, and it also had obvious economic benefit and social effect. Select 小麦；条锈病；抗性；遗传分析 S Chinese Agricultural Science Bulletin    2006, 22 (5): 355-355.   DOI: 10.11924/j.issn.1000-6850.0605355 Abstract + (1976)       PDF (103543KB) (420)       Knowledge map    Yang Ennian1, Zou Yuchun1, Yang Wuyun1, Mark Sutherland2 Select Development and Expectation of Utilization of Saline Water Resources in Agriculture Irrigation Wang Yanna, Hou Zhenan, Gong Jiang, Xiao Li, Ma Li Chinese Agricultural Science Bulletin    2007, 23 (2): 393-393.   DOI: 10.11924/j.issn.1000-6850.0702393 Abstract + (1959)       PDF (147824KB) (678)       Knowledge map    The shortage of water resources used in irrigation has been an important restraint factor in arid and semiarid areas. The utilization of saline water is an effective way of easing up the problem of water resources shortage. Amount of researches have been conducted worldwide. Relevant researches and development were summarized, including the effect to crop and ecological environment, the technology of irrigation with saline water and improving measures. Drip irrigation under mulch film is an effective way for utilization of saline water and salinized land in arid and semiarid areas. But researches on irrigation with saline water through the way of drip irrigation under mulch film were scarcity. It is necessary to farther ahead with the research. In addition, for sustainable agricultural production, just like the water balance, the salinity balance also has to be maintained at the irrigation system and basin levels. Select Performances and Ecological Characteristics on Diandongnan buffalo null Chinese Agricultural Science Bulletin    2009, 25 (6): 29-32.   DOI: 10.11924/j.issn.1000-6850.2008-1411 Abstract + (1935)       PDF (445206KB) (834)       Knowledge map    The performances of growth and devolopment, reproduction and draft on Diandongnan buffalo were observed in this paper, which present that Diandongnan buffalo belongs to medium-small and classical draft type. The adult bull and cow body weights, body heights, heights at hip cross are 476.64±101.18 kg and 392.16±64.25 kg, 131.00±7.39 cm and 123.33±4.50 cm, 125.85±6.08 cm and 120.22±2.91 cm, respectively, which are less than Dehong buffalo and Binlangjiang buffalo; and of which the dressing percentage and net meat ratio are close to Binlangjiang buffalo, and decreased by 10 percentage points than Dehong buffalo. Some devolopment strategies were pointed out in the later years about Diandongnan buffalo. Select Effect of Jasmonic Acid and Methyl Jasmonate on the Plant Development and Resistance Li Hongli,, Sun Zhenyuan, Zhao Liangjun, Han Lei, Ju Guansheng Chinese Agricultural Science Bulletin    2009, 25 (16): 167-172.   DOI: 10.11924/j.issn.1000-6850.2009-0859 Abstract + (1934)       PDF (634809KB) (1178)       Knowledge map    The jasmonic acid and jasmonates (JAs) in plants are a group of newly recognized endogenous substances．This paper reviews its physiological functions from several aspects, including its biosynthetic pathway, the effect on plant development and drought, salt, disease resistance．Meanwhile, the relationship of JAs with stomatal movements, plant metabolism and other hormones such as ABA，SA，Ethylene is also introduced. Select Climate Change and Its Impacts in Northeast China Ju Hui, Xiong Wei, Xu Yinlong, Lin Erda Chinese Agricultural Science Bulletin    2007, 23 (4): 345-345.   DOI: 10.11924/j.issn.1000-6850.0704345 Abstract + (1895)       PDF (145088KB) (561)       Knowledge map    【OBJECTIVE】The temperature increased and precipitation decrease much during last century in Northeast China, in order explore benefit and avoid negative impacts from climate change, the review was undertaken. 【METHOD】 Many literatures in recent years were used in the analysis, concluded the observed impacts and future predicted impacts by climate change. 【RESULTS】 The results indicate that with temperature increasing, current frost disaster decrease and growth period have been lengthened that will give more suitable growth period for crops. On the other hand, climate change drive some wetland degradation and disappeared, some frost soil have been melting or lose. Future climate change will alter agriculture planting system and decrease some crop production. Forest structure and tree variety will change and marginal place of grazing agriculture will expose to dangerous of desertification. 【CONCLUSION】 Northeast China has to recognize climate change objectively, and take adaptive options for regional sustainable development. Select Studies on Environmental Ecological Factors of Rubber-Mulberry Intercropping System Liang Yusi, Jiang Jusheng, Cao Jianhua Chinese Agricultural Science Bulletin    2007, 23 (4): 392-392.   DOI: 10.11924/j.issn.1000-6850.0704392 Abstract + (1893)       PDF (567298KB) (595)       Knowledge map    The main ecological factors were studied in the young(3a) and middle-aged(5a) rubber plantations intercropped mulberry—Marus migriformis Koidz (MMK).. It indicated that: (1) The growth of rubber trees were increased in this intercropping pattern; (2) It was effective to decrease temperature of the rubber plantation in summer, increase the atmospherical moisture content and water content in soil; (3) It was also effective to improve the soil condition and increase its usable phosphor content. Therefore, “Rubber tree-Mulberry” intercropping system can create favorable ecological effects, and improve the micro-environment of rubber ecological system.

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