目的通过探究三峡库区不同退耕模式对土壤水力特性的影响,为三峡库区的林草生态工程提供科学依据。方法以耕地为对照,选取三峡库区典型退耕模式(退耕还草、退耕还林、退耕还果)为研究对象,测定0~20、20~40 cm的土壤基本理化性质、孔隙分布特征和水力参数,分析不同退耕模式下的土壤水力特性差异及其影响因素。结果1) 不同退耕模式均显著降低土壤体积质量,其大小分别为耕地(1.52 g/cm3)>退耕还果(1.48 g/cm3)>退耕还草(1.41 g/cm3)>退耕还林(1.35 g/cm3);
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