Cowpea (Vigna unguiculata)

At the time of land preparation
  • Farm Yard Manure : 20 t/ha
  • Lime 250 kg/ha or dolomite 400 kg/ha
Fertilizer dosage
  • N:P2O5:K2O- 20:30:10 kg/ha
    Method of application
    • At the time of final ploughing
      • Half dose of N (10kg/ha)
      • Full dose of P2O5 (30 kg/ha)
      • Full dose of K2O (10 kg/ha)
    • 15 to 20 days after sowing.
      • Remaining half of N (10 kg/ha)
  • Note: In the alluvial soils of Kuttanad, Nitrogen, phosphorus and potassium should be applied in the ratio of 10:20:10 kilograms per hectare in several doses at intervals of two weeks.