Plough two or three times and form ridges and furrows 60 cm apart. Irrigate the furrows and plant one rooted slip or a two-budded stem cutting per hill at 60 x 50 cm (about 33,333 per hectare). Give a life irrigation on the 3rd day, then every 10 days; sewage or waste water can be used.
Pending expert review
Source
Crop Production Guide – Agriculture 2020 (Directorate of Agriculture, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Cumbu napier hybrids – Preparatory cultivation; planting; irrigation, pp. 327–328