Study on Calculation Method of Soil Moisture Content under Drip Irrigation
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SHEN Xiao-jun,SUN Jing-sheng,ZHANG Ji-yang,SONG Ni,LIU Xiao-fei,YANG Lei(Key Lab.for Crop Water Requirement and Regulation,Ministry of Agriculture,Farmland Irrigation Research Institute,Chinese Academy of Agricultural Sciences,Xinxiang,Henan 453003)

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S152.7 S275.6

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    Abstract:

    It is particularly important to find accurate calculation method of soil moisture content under drip irrigation.Based on the data from experiments of field and bare land,average moisture content of field of drip irrigation under different moisture was estimated with five methods,such as 1 sampling point average and 3 sampling points average etc.Taking method of layered integration as the standard,the other methods were evaluated.The results showed that the estimated average soil moisture by the F4(three sam...

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  • Received:
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  • Online: October 25,2012
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