Shuitu Baochi Xuebao[目的] 为探究不同秸秆还田方式对季节性冻融期黑土温度的影响。[方法] 通过田间温度监测,以大豆田为研究对象,设置秸秆覆盖还田(FG)和秸秆翻混还田(FH)2种还田方式,还田量分别为秸秆总量的30%(59 670 kg/hm2),60%(119 340 kg/hm2),90%(179 010 kg/hm2),并设置裸地为对照(CK)共7种处理。各处理自地表向下沿土壤垂直剖面分别设置5,10,20,30 cm 4个土层深度,分析冻融期不同秸秆还田方式及还田量下土壤温度变化特征。[结果] (1 ...
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