Effect of sewage water on the growth and yield parameters of wheat and blackgram with different fertilizer levels.

Impact of biologically treated domestic sewage water was studied on the gro wth and yield attributing characters of wheat and blackgram under different fertilizer levels in the field condition. There was no significant differe nce on the yield and yield attributing characters of wheat. However, yield attributing characters like number of tillers/plant, panicle length (cm), n umber of grains/panicle and 1000 grain weight showed increasing trend to th e tune of 13.29, 1.59. 5.49 and 3.79 per cent respectively over the tubewel l irrigated crop. Yield was also increased to the tune of 3.63 per cent whe n the crop was irrigated with sewage water. Interactions between irrigation and fertilizer levels were also insignificant. However, sewage water with N60P45K45 responded better on tillering, panicle length, number of grains/p anicle and yield of wheat. Incase of blackgram, treated sewage water had no significant effect on the grwoth and yield attributing characters, rather sewage water had some negative effect on these parameters. Interactions bet ween irrigation and fertilizer levels were insignificant. But tubewell irri gation with N10P10K10 was more responsive on growth parameters. When the cr op was grown with tubewell irrigation and without fertilizer, yield attribu ting characters were more positively responded.