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Water and Irrigation

Water and Irrigation :

The residual moisture in maize fallows in usually adequate to get a good crop of blackgram. In areas where the crop is raised under irrigated condition in summer, irrigation is necessary to save the crop from soil moisture stress and high temperatures. The time and number of irrigation depends on the soil moisture conditions and duration of the variety. In all 4-5 irrigations at an interval of 10-15 days may be required in most of the areas. The crop should be irrigated at flowering and pod filling stages but the water should not accumulate in the field. Pod-filling stage is the most important critical stage in terms of moisture stress. Three irrigations gave higher seed yield than one or two irrigation. If 2 irrigations are available, then it should be applied at branching and at flowering.