slope cropland in purple soil

基本解释

A field experiment was carried out in hilly area of central Sichuan Basin to study the characteristics of phosphorus loss by runoff from slope cropland in purple soil.
針對日益加劇的四川紫色土地區水土流失情況，選取四川省南部縣鶴鳴觀小流域爲研究區，對其逕流特征進行探討分析。
The characteristics of nutrient loss from slope cropland of purple soil under different rainfall erosivities were studied from several rain-storm processes in the central Sichuan Basin.
通過對川中丘陵區幾次暴雨過程氮、磷流失的觀測與分析，研究了不同降雨侵蝕力條件下的紫色土坡耕地的養分流失特征。
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