Madras Agricultural Journal
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Water Requirement and Yield Response of Irrigated Cotton

Abstract

                                The findings from an irrigation experiment en cotton MCU. 1. conducted during kharif for three years at Bhavanisagar are presented. The optimum moisture regime was found to be from field capacity to 40 per cent moisture availability. The wator require- ment for this moisture regime was found to vary from 674,9 mm to 770.6 mm depending upon the rainfall. The total number of irrigations varied from nine to thirteen, Highest irrigation responses were at highest levels of nitrogen fertilization.

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