Irrigate the field before dibbling the seeds and thereafter once a week. Irrigation should be given at regular intervals of time.Sow the seeds during November – December. Irrigation after a long dry spell results in cracking of fruits.Apply FYM 20 t/ha, P 55 kg and K 55 kg as basal and N 55 kg/ha 30 days after sowing.Apply Azospirillum and Phosphobacteria @ 2 kg/ha and Pseudomonoas @ 2.5 kg/ha along with FYM 50 kg and neem cake 100 kg before last ploughing.: Nursery for watermelon can be prepared either with polythene bags of 200 gauge, 10 cm diameter and 15 cm height size or through protrays under protected nursery. In polybag nursery, fill the bags with 1:1:1 ratio of red soil, sand and farmyard manure mixture. Use protrays, each having 98 cells for raising seedlings. Transplant about 12 days old seedlings in the main field.