Abstract
Field experiments were conducted for 3 years (1987–8 to 1989–90) at Regional Research Station, Bathinda—a canal irrigated area of the south-west Punjab. The effect of four irrigation methods: flooding, irrigation to each furrow, to alternate furrows and to furrows between paired crop rows, on water economy, growth and yield of Indian rape was studied. Saving by the water-delivery treatments, in comparison with flood irrigation, was in the order: alternate furrows, single furrows between paired rows, every furrow. Alternate furrow irrigation required about 60 percent of the water for flooding but experienced little loss in productivity.
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