Take setts from healthy, mosaic-free, vigorous plants: 15 cm long with 8–10 nodes, from the middle of the stem, with an even cut and no damage. Dip setts for 20 minutes in Azospirillum and phosphobacteria (30 g/l each). Plant upright, buds pointing up, on the sides of ridges. Spacing: irrigated 75 x 75 cm or 90 x 90 cm; rainfed 60 x 60 cm. Plough 4–5 times. (Chemical sett dips against rot and scale insects are also listed — ask your officer.)
Pending expert review
Source
Crop Production Guide – Horticulture Crops 2020 (Directorate of Horticulture and Plantation Crops, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Tapioca – Season and planting; preparation of field, p. 139
