小灌区农田土壤水分析  

Analyzing Soil Water Regime of Farmlands in A Small Irrigation Area

作　　者：杜琦[1] 薛明霞[1] 

机构地区：[1]山西省水文水资源勘测局太谷均衡实验站,山西太谷030800

出　　处：《地下水》2007年第4期114-116,共3页Ground water

摘　　要：对山西省小灌区农田土壤水分在时空分布及其影响因素进行了分析。结果表明:大气降水、农田灌溉、作物蒸腾和田间土壤蒸发是影响土壤水分变化的主要因素。农田土壤水分分布随着作物的种类而变化。　This paper analyzed the temporal and spatial distribution of soil moisture and the influencing factors in farmlands of a small irrigation area.The results show that precipitation,irrigation,crop evapotranspiration and soil evaporation are the main factors that affect soil moisture regime.Farmland moisture distribution also varies with the kind of growing crops.

关 键 词：小灌区 农田 土壤水 

分 类 号：S152.7[农业科学—土壤学]