RPN Singh, SK Tomar and Manoj Kumar
On farm trials in farmer’s participatory mode were conducted for three years to evaluate the effect of crop establishment methods on rice and wheat productivity in Fatehpur, Pratapgarh and Raebareli district of Uttar Pradesh under rice wheat cropping system. Results revealed that the rice sown with drum seeder in puddled condition with sprout seeds gave highest grain yield among the rice establishment methods tested. On an average sowing sowing with drum seeder increased the grain yield of rice crop by 4.1, 11.4 and 25.7% over farmer practice at Fatehpur, Pratapgarh and Raebareli location respectively. In case of wheat highest wheat grain yield (44.5, 46.3, and 47.5 q/ha) was recorded with wheat sown by using zero till technology after mechanical transplanted rice in unpuddled field, which was 10.4, 13.4 and 12.6% higher over the farmers practice at Fatehpur, Pratapgarh and Raebareli location respectively. Highest rice equivalent yield 99.73 q/ha/year were obtained from the rice transplanted by mechanical in unpuddled field -wheat sown by using zero till technology. The maximum net return of Rs. 96961/ha/year and B: C ratio (2.47) was also obtained with the crop establishment method of rice (DSR) – wheat (ZT) followed by rice (DMS) –wheat (ZT) and rice (UPMTP) –wheat (ZT). The physico chemical properties pH, EC, OC, available NPK, secondary (S) and micro nutrient (Zn and B) exhibited differences due to crop estabshment methods. Rice sown either dry direct seeded or mechanical transplanted followed by wheat sown by using zero till technology proved superior in respect of build-up of these nutrients in soil.
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