Basal: FYM 20 t/ha with P 55 and K 55 kg/ha; N 55 kg/ha 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. Fertigation: 200:100:100 kg NPK/ha. Hoe and weed three times. (An Ethrel growth-regulator spray is also listed.)
Pending expert review
Source
Crop Production Guide – Horticulture Crops 2020 (Directorate of Horticulture and Plantation Crops, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Watermelon – Application of fertilizers; fertigation; after cultivation, pp. 101–102
