The features of soil water-stable aggregate before and after vegetation destruction in karst mountains

Abstract

Abstract: The distribution and formation of soil water-stable aggregates under different vegetation types in Karst Mountains has been studied after two treatments with C-D reagent, drenching and vibrating in water for 30 minutes. Vegetation types and land-use time durations have a great influence on the formation of soil aggregates, they could influence not only the quality and quantity of aggregate composition in surface-layer soil, but also the characteristics of soil aggregates under the surface layer. Free Fe and Al oxides have a obvious influence on the water stability of soil aggregates, but the decreases of water-stable aggregate contents treating with drenching and vibrating are bigger than that treating with C-D reagent.

Li Yangbing,, Wei Chaofu, Xie Deti, Gao Ming. The features of soil water-stable aggregate before and after vegetation destruction in karst mountains[J]. Chinese Agricultural Science Bulletin, 2005, 21(10): 232-232.

References

1 Rattan L. Physical management of soils of the tropics: priorities for the 21st century[J]. Soil Science, 2000,165:191~207
2 李阳兵,高明,魏朝富,等.土地利用对岩溶山地土壤质量性状的影响[J].山地学报,2003,21(1):40~49
3 鲁如坤.土壤农业化学分析方法[M].北京:中国农业科技出版社,2000.99~195
4 李阳兵,谢德体.不同土地利用方式对岩溶山地土壤团粒结构的影响[J].水土保持学报,2001,15(4):122~125
5 李阳兵,谢德体,魏朝富,等.利用方式对岩溶山地土壤团粒结构的影响研究[J].长江流域资源与环境,2002,11(5):451~455
6 李阳兵,谢德体,魏朝富.岩溶山地土壤及表生植被某些特性与石漠化的相关性[J].土壤学报,2004,41(2):196~202
7 李阳兵.重庆市典型岩溶山地生态退化机理研究:[博士学位论文][D].西南农业大学,2002.42~56
8 钟继洪,谭军,郭庆荣,等.南亚热带不同植被下丘陵赤红壤结构特征比较研究[J].应用生态学报,1998,9(4):359~364
9 Russell M B, Feng C L. Characterization of the stability of soil aggregates. Soil Sci.,1947,63:299~304
10 彭新华,张斌,赵其国.红壤侵蚀裸地植被恢复及土壤有机碳对团聚体稳定性的影响[J].生态学报,2003,23(10):2176~2183
11 Idowu O J. Relationships between aggregate stability and selected soil properties in humid tropical environment[J]. Communications in Soil Science and Plant Analysis,2003,34(5~6):695~708
12 Puget P, Chenu C, Balesdent J. Total and young organic matter distribution in aggregates of silly cultivated soils. Eur. J. Soil Sci.,1995,46:449~459
13 Denef K, Six J, Paustian K, et al. Importance of macro-aggregate dynamics in controlling soil carbon stabilization: short-term effects of physical disturbance induced by dry-wet cycles[J]. Soil Biol. Biochem., 2001,33:2145~2153
14 Caravaca F, Lax A, Albaladejo J. Aggregate stability and carbon characteristics of particle-size fractions in cultivated and forested soils of semiarid Spain[J]. Soil & Tillage Research,2004,78: 83~90
15 Haynes R J. Labile organic matter fractions and aggregate stability under short-term, grass-based leys[J]. Soil Biol. Biochem.,1999,31(13):1821~1830
16 Humberto Blanco-Canqui, Ralttan Lal. Mechanisms of carbon sequestration in soil aggregates[J]. Critical Reviews in Plant Sciences,2004,23(6):481~504
17 彭新华,张斌,赵其国.土壤有机碳库与土壤结构稳定性关系的研究进展[J].土壤学报,2004,41(4):618~623
18 李恋卿,潘根兴,张旭辉.退化红壤植被恢复中表层土壤微团聚体及其有机碳的分布变化[J].土壤通报,2000,31(5):193~195
19 罗海波,宋光煜,何腾兵.贵州喀斯特山区石漠化治理过程中土壤质量特性研究[J].水土保持学报,2004,18(6):112~115
20 袁菊,刘元生,何腾兵.贵州喀斯特生态脆弱区土壤质量退化分析[J].山地农业生物学报,2004,23(3):230~233
21 李恩香,蒋忠诚,曹建华.广西弄拉岩溶植被不同演替阶段的主要土壤因子及溶蚀率对比研究[J].生态学报,2004,24(6):1131~1139