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当前位置: 首页 > 文章 > 黄土区旱塬农田生产力提高对土壤水分循环的影响 农业工程学报 2002,18 (6) 50-54
Position: Home > Articles > Effect of Advanced Productivity in Dryland Farming of the Loess Plateau on Soil Water Cycle Transactions of the Chinese Society of Agricultural Engineering 2002,18 (6) 50-54

黄土区旱塬农田生产力提高对土壤水分循环的影响

作  者：
黄明斌;党廷辉;李玉山
单  位：
水利部水土保持研究所;中科院
关键词：
黄土高原;旱作农田;土壤水分循环
摘  要：
黄土高原旱塬土层深厚 ,地下水一般不参与土壤水分的垂直交换 ,农田水分循环模式是土壤 -植物 -大气类型。近几十年来 ,由于黄土区旱作农田生产力的不断提高 ,农田土壤水分循环出现新的特点。以农田长期定位试验资料为基础对这一新特点进行了分析 ,结果指出旱作农田生产力提高对土壤水分循环的影响表现在土壤水分利用层加深、降雨入渗深度减少和土壤干燥化
译  名：
Effect of Advanced Productivity in Dryland Farming of the Loess Plateau on Soil Water Cycle
作  者：
Huang Mingbin, Dang Tinghui, Li Yushan (Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Northwestern Sci-tech University of Agriculture and Forestry, Yangling 712100, China)
关键词：
Loess Plateau; dryland farming; soil water cycle
摘  要：
Owing to the thick soil layer in dryland farming of the Loess Plateau, groundwater does not directly enter the soil water cycle, and the model of water cycle in dryland farming can only happen in the soil-plant-atmosphere system. With the increase in productivity during recent years, the new features of water cycle have been shown in dryland farming. Based on data from long term experiments in situ, these new features were studied. The results showed that the effect of advanced productivity in dryland farming on soil water cycle were to increase the depth of soil water consumption, reduce the rainfall infiltrating depth and decrease soil water content.

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