Knowledge Management System of Northwest Institute of Plateau Biology, CAS
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 ; 杨元武;李希来;周华坤.Analysis for Soil Characteristics of Degraded Grassland on Alpine Meadow Agricultura lSc ience & Technology,农业科学与技术,2011,12(8):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. |
文献类型 | 期刊论文 |
条目标识符 | http://210.75.249.4/handle/363003/56286 |
专题 | 中国科学院西北高原生物研究所 |
推荐引用方式 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, 杨元武;李希来;周华坤.Analysis for Soil Characteristics of Degraded Grassland on Alpine Meadow Agricultura lSc ience & Technology,农业科学与技术,2011,12(8):1221-1225,2011. |
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. |
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 (2011). |
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