An oscillatory ripper which was developed by China Agricultural University to break hardpan was used in this study,commo......

为了更加精确地分析土壤光谱中不同水分吸收带内的光谱吸收特征参数在估测土壤水分含量(SMC)中的重要性,以新疆渭干河-库车河绿洲......

考虑土壤蒸发与土壤含水量的非线性关系，建立了土壤蒸发与时间呈反比关系的消退曲线；结合简化的土壤入渗曲线，建立了超渗产流数学模型......