Effect of straw-incorporation on soil infiltration characteristics and soil water holding capacity
通过入渗试验及对土壤水分特征曲线的测定,对比研究了秸秆在经过粉碎、氨化及与无机土壤改良剂混合3种措施处理后加入土壤中对土壤入渗特性及持水特征的影响。结果显示:长秸秆处理加入土壤后显著降低土壤入渗能力;粉碎氨化后的秸秆较对照处理及粉碎秸秆处理能显著增加土壤稳定入渗率、土壤累积入渗量,同时在经过30d培养后土壤体积质量较对照低7.13%;无机土壤改良剂(氢氧化铁)能显著提高土壤稳定入渗率和累积入渗量,但在减小土壤体积质量、增加土壤孔隙度作用方面不如氨化秸秆处理显著 ...
冯浩, 王珍
core
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