Madras Agricultural Journal
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Studies on Irrigation Regimen and N Rate on Grain Sorghum

Abstract

Experiment conducted to assess the irrigation requirement and nitrogen response of sorghun 'swarna during the summer seasons of 1972 and 1973 showed that irriga- tion at 50 per cent available moisture throughout crop growth recorded highest vield. Water use efficiency was maximum with 25 and 0 per cent during preflowering and post- flowering stages respectively. The straw yield was low at initial moisture stress. Ong hundred kg N/ha was found optimum.

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