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Analysis for Soil Characteristics of Degraded Grassland on Alpine Meadow Agricultura lSc ience & Technology
Yang YW(杨元武); Li XL(李希来); Zhou HK(周华坤)
2011-06-09
发表期刊农业科学与技术
ISSN1009-4229
卷号12期号:8页码:1221-1225
摘要The ami of this s tudy is to explore the effec ts of grassland degradat ion on soil phys ica l and chemical properties. [Meth?? od] The ratio of plant root to so il and soil tex ture on AlpineMeadow were invest igated in this s tudy, and soil availab le N, P, K, Cu, Zn, organic mat ter and pH value were also ana lyzed by routine analysis of soil nutrients in dif ferentdegraded grasslands. [Result] W ith the intensificat ion of degraded gradient and the soil depth, the ratio ofp lant root to soilwas decreased gradua lly. The highest rat io of p lant root to soilwas in 0- 10 cm depth of so il in grass land with different degraded gradients, while its ratio of plant root to soil changed from 0. 001 to 0. 040 w ith soil type of loam. Soil chem ical characterist ic changed in different degraded gradients. The content of availab le N, P, K reduced s ignificant ly w ith the soil dep th and the intens ification of degraded grad ients. The content ofCu and Zn was re lat ively lack in degraded grass land. [Conclusion] There is no significant correlat ion between nutrit ion content or pH value and the success ion degree of degraded grass land.
收录类别其他
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/1972
专题中国科学院西北高原生物研究所
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GB/T 7714
Yang YW,Li XL,Zhou HK. Analysis for Soil Characteristics of Degraded Grassland on Alpine Meadow Agricultura lSc ience & Technology[J]. 农业科学与技术,2011,12(8):1221-1225.
APA 杨元武,李希来,&周华坤.(2011).Analysis for Soil Characteristics of Degraded Grassland on Alpine Meadow Agricultura lSc ience & Technology.农业科学与技术,12(8),1221-1225.
MLA 杨元武,et al."Analysis for Soil Characteristics of Degraded Grassland on Alpine Meadow Agricultura lSc ience & Technology".农业科学与技术 12.8(2011):1221-1225.
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