A long range experiment was started at Agricultural College Farm, Pune during the year 1932-33 to investigate the effect of tillage and manuring on growth and yield of rainfed cotton and rabi jowar, in rotation. The same experiment was taken for study during the year 1973-74 and 1974-75 in two sets of Plots. The results revested that ploughing to depth of 18 to 20 cm increased the plant height, numbar of holls/plant during the year 1973.74 and seed cotton yield during the year 1974-75 compared with harrowing to depth 8-10 cm. Manuring the crop at the rate of 5.5 tonnes of FYM/ha every year also increased the plant height, number of bolls/plant and seed cotton yield during both the years of experi mentetion. The grain and fodder yields of rabi jowar during the year 1974-75 were signifi-cantly higher with deep tiilage as compared to shallow tillage. The significant increase in vield components viz. grain weight/earhead, 1000 grain weight and grain and fodder yields of rabi jowar was recorded by manuring the crop at the rate of 5.6 tonnes of FYM/ha every year when compared with no manure.
Deb et al. (Thu,) studied this question.
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