Comprehensively Harnessing Measures to Control Soil, Water and Nutrients Loss in Slope Cultivated Land of Red Soil in Yunnan

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Comprehensively Harnessing Measures to Control Soil, Water and Nutrients Loss in Slope Cultivated Land of Red Soil in Yunnan

更新时间：2024-11-07

- Comprehensively Harnessing Measures to Control Soil, Water and Nutrients Loss in Slope Cultivated Land of Red Soil in Yunnan
- Issue 2, Pages: 17-21(2006)
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- Published：2006
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Comprehensively Harnessing Measures to Control Soil, Water and Nutrients Loss in Slope Cultivated Land of Red Soil in Yunnan[J]. 2006, (2): 17-21.
DOI：

Comprehensively Harnessing Measures to Control Soil, Water and Nutrients Loss in Slope Cultivated Land of Red Soil in Yunnan[J]. 2006, (2): 17-21. DOI：

摘要

在云南19.5°红壤坡耕地上设置水土流失综合治理试验样方

观测水土流失控制效果。结果表明

各观测样方的地表径流量、土壤流失和养分流失按照裸地(CK1)>传统单作玉米区(CK2)>植物篱玉米秸秆覆盖区>植物篱麻袋覆盖区>植物篱牧草活覆盖区依次降低。2004年较2003年降雨和径流明显增加

各处理土壤养分流失的增幅显著低于土壤流失的增幅;土壤养分流失与施肥量显著正相关;植物篱覆盖区的养分利用率比传统单作玉米区极显著提高

养分利用率与施肥量负相关。植物篱麻袋覆盖区和植物篱牧草活覆盖区

地表径流减少22.7%~34.0%

土壤流失减少27.1%~67.6%

养分流失减少36.8%~77.8%

养分利用率提高27.9%~45.2%;保持水、土、肥和提高养分利用率的效果都优于植物篱秸秆覆盖区。

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Comprehensively Harnessing Measures to Control Soil, Water and Nutrients Loss in Slope Cultivated Land of Red Soil in Yunnan

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Related Author

MI Yan-hua

PAN Yan-hua

SHA Ling-jie

GUO Yu-rong

LI Jin-cheng

ZHANG Xiao-lin

Ouyang Yi

Wu Changwen

Related Institution

The College of Nanchang Water Resources and Hydropower

Department of Soil and Water Conservation, Northwest Forestry College, Yangling

Soil and Water Conservation Monitoring Station of Shandong Province

Suide Experimental Station For Soil and Water Conservation, the Yellow River Conservancy Commission

College of Urban and Environmental Sciences, Northwest University, Xian

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