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Synopsis Yields of Sudangrass, Starr millet, and Sart sorghum and evapotransipiration rates increased as available soil moisture level increased. Sart sorghum produced highest yield at all three moisture regimes. In general, nitrogen and potassium concentrations in plant tissue decreased with increasing soil moisture, but total uptake was usually higher with irrigation.
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Bennett et al. (1964) studied this question.
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