Effects of plastic film mulching on soil moisture dynamics, water loss and water use efficiency of grain maize
Abstract
The field trials were carried out at Malir farm, Sindh Agriculture University Tandojam, Pakistan during cropping season 2020 and 21 to examine the effects of various mulching strategies on evaporation rate, grain yield, economic return, and water productivity. The experiment consisted of five treatments i.e., (1) control treatment (conventional basin cultivation without mulch CK), (2) plastic mulching only on ridges under furrow irrigation cultivation (RPM), (3) partial plastic film mulching (PPM), (4) full plastic film mulching (FPM) and (5) residual straw mulch (RSM). The results revealed that plastic mulch significantly increased the soil moisture content up to 24.18 % under FPM, followed by 22.43%, 21.21%, 21.08% and 17.78% under PPM, RPM, RSM and CK treatments, respectively. The evaporation rate was significantly different among the treatments. Moreover
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