Sweet Potato (Ipomoea batatas)

At the time of land preparation
  • Cattle manure or compost – 10 t/ha
Fertilizer dosage
  • N:P2O5:K2O- 75:50:75 kg/ha
  • N:P2O5:K2O- 50:25:50 kg/ha (Reclaimed alluvial soils of Kuttanad)
    Method of application
    • Basal dose:
      • Half dose N (37.5 kg)
      • Full dose of P2O5 (50 kg)
      • Full dose of K2O (75 kg)
    • 4-5 weeks after planting
      • Remaining half of N (37.5 kg)