Irrigate once a week depending on weather. Tetraploids: FYM 25 t/ha basal; NPK 75:50:125 kg/ha three months after planting, repeated every six months for two more years. Delhi Crossandra: basal FYM 25 t/ha, gypsum 100 kg/ha, P 50 and K 100 kg/ha; 30 days after planting, neem cake 250 kg and N 40 kg/ha; then NPK 40:20:60 kg/ha at 90 days, repeated every three months for two years. For both: Azospirillum and phosphobacteria 2 kg/ha each, mixed with 100 kg FYM, at planting.
Pending expert review
Source
Crop Production Guide – Horticulture Crops 2020 (Directorate of Horticulture and Plantation Crops, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Crossandra – Nutrition; biofertilizers; irrigation, p. 254
