Nutrition management in cowpea

Depending upon availability incorporate 2.5-3.5 tonnes /acre farmyard manure in the soil at the time of field preparation.
At the time of final land preparation, 24 kg of Calcium Ammonium Nitrate (CAN) 48 kg of Single Super Phosphate and 20 kg muriate of potash should be applied for one acre.
Half of the Nitrogen fertilizers, whole phosphorus and potash may be applied at the time of final ploughing.
If seeds are inoculated with rhizobium culture, the dose of CAN be reduced to 16 kg per acre.
In zinc deficient areas zinc sulphate @ 8 kg/acre may be applied in soil.
Remaining nitrogen may be applied 15-20 days after sowing.

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