Madras Agricultural Journal
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CLIMATE AND SOIL BASED CROP WATER REQUIREMENT FOR RICE

Abstract

Estimation of crop water requirement for Coimbatore region revealed that rice requires 591 and 821 mm during kharif and summer respectively. Of which 410 and 510 mm were required for crop ET and 181 and 311 mm were required for percolation during kharif and summer respectively. The peak water requirement was found to be at panicle initiation stage in kharif and reproductive stage in summer.

Keywords: Crop Water Requirement, Rice, Evapotranspiration

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