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来源：百度知道 编辑：UC知道 时间：2024/06/06 17:24:56
摘要 本文通过不同坡度坡度下土壤容重，空隙度，团粒结构等在降雨条件下的变化，来揭示降雨对不同坡度下土壤物理性状的影响。结果表明在不同坡度的条件下，由于降雨的冲刷导致了土壤物理性结构的改变，从而影响土壤水分，养分的含量。土壤物理性结构随坡度增大，土壤容重增大，团聚体含量、空隙度减小，土壤变的紧实。坡地的土壤物理性状的明显大于平坡对照，这一变化对土壤水分含量的影响最为显著。土壤物理性粘粒随着坡度增大而减小，由于径流中土壤中细颗粒的流失，因此导致了坡地土壤养分含量减小，作物的生长发育受到影响，作物减产。
关键词 土壤物理性状 土壤容重 孔隙度 土壤团粒结构 水稳性
翻译以上文字
Artificial simulation of rainfall for different slope of the impact of soil physical properties
Abstract In this paper, the slope gradient under different soil bulk density, porosity, aggregate structure in the rain under the conditions of change, to reveal the slope under rainfall of different effects of soil physical properties. The results show that under conditions of different slope, due to rainfall has led to the erosion of soil physical changes in the structure, thus affecting the soil moisture, nutrient content. Soil physical structure with increasing slope, soil bulk density increases, aggregate content, reduced porosity, compaction of soil change. Slope of the soil physical properties of the slope than the control level, the changes in soil moisture content in the most significant. Physical clay soil decreased with the slope, as a result of soil runoff in the loss of fine particles, resulting in a slope to reduce soil nutrient content, crop growth and developm