| Soil effects of converted farmland in remote hilly areas in Beichuanhe Watershed |
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| DOI：10.7606/j.issn.1000-7601.2008.05.42 |
| Key Words: soil effect converting cropland to forest model of species distribution Beichuanhe Watershed remote hilly areas |
| Author Name | Affiliation | | GAO Guoxiong | College of Resources and Environment, Northwest A & F University, Yangling, Shaanxi 712100, China
College of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China | | ZHOU Xincheng | College of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China | | SHI Changqing | College of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China | | LI Wenzhong | Institute of Water Conservancy, Beijing 100038, China | | LI Shirong | Soil and Water Conservation Station, Beijing 100038, China |
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| Abstract: |
| After five models of converting cropland to forest were selected respectively in high-mountain areas in Beichuanhe Watershed of Datong County in Qinghai Province, the soil effects were analyzed. Model F (Picea crassifolia) was better than others on the total pore space and the final infiltration rate of soil, which were 53.62% and 6.8mm/min respectively. Model H (Betula latyphylla+Picea crassifolia) occupied the first place in soil structural coefficient, up to 94.751%. As to the average content of total N, hydrolytic N, total K, rapidly available K and rapidly available K, model F ranked the first place. The soil anti-scourability of model F (Picea crassifolia) ranked the first place, which was 1.652 s/g. The quality synthetic evaluation about soil effect of converting cropland to forest was carried on, and it showed that disposition pattern F was the most superior one. |
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