Abstract
Cultivation of Mustard ( Brassica nigra ) and Castor ( Ricininus Indicum ) seeds was made by irrigated with distillery spentwash of different concentration. The spentwash i.e . primary treated spentwash (PTSW) 1:1, 1:2 and 1:3 spentwash were analyzed for their plant nutrients such as nitrogen, phosphorous, potassium and physicochemical characteristics. Experimental soil was tested for its physical and chemical parameters. Mustard and castor seeds were sowed in the prepared land and irrigated with raw water (RW), 1:1, 1:2 and 1:3 (SW: RW) spent wash. The influence of spent wash on the yields of oil seed plants at their respective maturity was investigated. It was found that the yields of oil seed plants were more in 1:3 spentwash irrigation than raw water and 1:1, 1:2 spentwash irrigation. Hence, spentwash can be conveniently used as irrigation medium at a specified dilution with out polluting atmosphere,water and soil.
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