Irrigate before and after sowing, then weekly after germination. Basal: FYM 25 t/ha, Azospirillum and phosphobacteria 2 kg/ha each, N 75 and K 25 kg/ha (for Sirukeerai: N 50, K 25 kg/ha at the last ploughing).
Pending expert review
Source
Crop Production Guide – Horticulture Crops 2020 (Directorate of Horticulture and Plantation Crops, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Amaranthus – Irrigation; application of fertilizers, p. 156
