Per pit: 10 kg FYM and 100 g of 6:12:12 NPK mixture as basal, then 10 g N per pit 30 days after sowing. Before the last ploughing, apply Azospirillum and phosphobacteria 2 kg/ha each and Pseudomonas 2.5 kg/ha with 50 kg FYM and 100 kg neem cake per hectare. Fertigation for hybrids: 250:100:100 kg NPK/ha in split doses through the crop.
Pending expert review
Source
Crop Production Guide – Horticulture Crops 2020 (Directorate of Horticulture and Plantation Crops, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Ribbed gourd – Application of fertilizers; fertigation, pp. 86–87
