生草覆盖对山地果园土壤物理性状的影响
Technology of Soil and Water Conservation（2019）
Abstract
我国实行清耕制的果园占果园总面积的80％以上,因地表裸露水土流失严重,果园生草覆盖是水土流失防治措施之一.针对山地果园因地表裸露、雨滴击溅和径流冲刷产生水土流失、土壤肥力下降等问题在山地果园进行生草覆盖,在蓄积利用天然降雨、拦蓄坡面径流、防止水土流失的同时也改善了果园土壤质地、结构,提高了土壤肥力.
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