Evapotranspiration, crop coefficient and water use efficiency of soybean (SJ5)
1986
Sitthiporn Sukkasem (Chiang Mai Univ., (Thailand). Faculty of Agriculture, Dept. of Soil Science and Conservation)
Evapotranspiration (ET), crop coefficient (Kc) and water use efficiency were determined from the lysimeter (drainage type) installed in a soybean field (The Multiple Cropping Center, Chiang Mai University). The ET varied from 2.2 to 5.6 mm/day. The average values of of ET and Kc throughout the growing season were 3.3 mm/day and 0.96, respectively. Water use efficiency, with respect to total dry matter and grain yield, were 2.68 and 0.94 kg/m3 respectively
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