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Nitrogen and phosphorus losses mechanisms from agro-forestry system under simulated rainfall conditions
Pages: 117-120
Year: Issue:  2
Journal: Journal of Nanjing Forestry University(Natural Science Edition)

Keyword:  杨麦复合系统氮磷流失地表径流人工降雨;
Abstract: 通过模拟降雨径流实验,在1.43 mm/min暴雨条件下,研究杨麦复合系统对氮、磷流失量、径流量和泥沙侵蚀量的影响及杨麦复合系统氮、磷随地表径流的流失特征.结果表明:杨麦复合系统与普通农田相比总氮流失量减少54.9%~89.1%、总磷流失量减少68.6%~88.9%、径流量减少56.7%~70.6%、泥沙侵蚀量减少52.1%~61.5%.杨麦复合系统地表径流中TN、DN的流失浓度先迅速下降然后上升...
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