目的研究旨在揭示黄土丘陵沟壑区刺槐混交林对土壤水力性质的影响,为该区人工林土壤水分的高效利用提供科学依据。方法选取黄土丘陵沟壑区刺槐×油松、刺槐×山杏、刺槐×山桃、刺槐×沙棘、刺槐×紫穗槐为研究对象,以刺槐纯林为对照,系统研究刺槐混交林土壤质量含水量(0~500 cm)、表层土壤水分特征曲线、田间持水量、最大有效含水量和土壤饱和导水率的影响。结果1)刺槐混交林(除刺槐×山杏)显著提高0~100 cm土层土壤质量含水量,较刺槐纯林提高1.75%~30.61%;2)相同基质势下,刺槐×山桃、刺槐×油松、刺槐×
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