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International Conference on Reimagining Rainfed Agro-ecosystems: Challenges & Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad panchagavya 3 per cent. The nutrient contents (NPK) of the plant tissues also registered the highest when vermicompost @ 2.5 t ha -1 along with foliar spray panchagavya 3 per cent was applied. With regard to the postharvest available soil nutrients, the results revealed that application of vermicompost @ 2.5 t ha -1 along with foliar spray panchagavya 3 per cent recorded the highest organic content in soil. Hence it could be concluded that the treatment combination of vermicompost @ 2.5 t ha -1 along with foliar spray panchagavya 3 per cent is best suited to grow Gundumalli (JasminumsambacAit.) in field condition to achieve good growth, profuse flowering and flower yield. T4a-18P- 1226 Effect of Life Saving Irrigation on Yield and Economics of Different Kharif and Rabi Crops under Dryland Conditions K. Tiwari*, S. M. Kurmvanshi, Abhishek Soni, G. D. Sharma, S. Pandey and S. S. Baghel All India coordinated Research Project on Dryland Agriculture, JNKVV, College of Agriculture, Rewa 486001 (M.P.) *rktkvkrewa@rediffmail.com In dryland area the distribution of rainfall is highly erratic and the occurrence of dry spells during the crop growth stages is indispensable resulting in failure of crop or realization of uneconomical yield. Harvesting of rainwater through farm ponds during the rainy season and recycling it for use as supplemental irrigation at the critical stages of the crop can help to mitigate the effect of dry spells and to overcome the loss of yield under dryland condition for Rabi cropping after Kharif. Several researchers have shown that on farm in-situ run off collection of rainwater in to farm ponds and its utilization in dry spells as supplemental irrigation can increase and stabilize the crop production (Krishna et al. 1987). Methodology This experiment was conducted 2017-18 to 2020-21 and pooled data has been presented for study purpose. The experimental soil is silty clay loam, medium in organic carbon and low in available nitrogen and Phosphorus while potassium status was medium. Water harvesting tank size is 60 m X 30 m. Total harvested water was 3867m 3 while 1850 m 3 water was used for irrigation. Water losses through seepage and evaporation was 1160 M 3 . During Kharif Soybean and Rice crops were grown under dryland condition while in Rabi wheat, chickpea, Mustard and coriander crops were taken which were given supplemental life saving irrigation from water harvested pond. All the crops were fertilized by recommended doses of fertilizers under dryland condition. Results Resource conservation and rainfed agriculture 602 | Page
International Conference on Reimagining Rainfed Agro-ecosystems: Challenges & Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad After perusal of the results, it is evident that impact of life saving irrigation was 16.16% in wheat, 27.40% in chickpea, 24.54% in mustard and 19.58% in coriander when these crops were grown after rice. Wheat, chickpea, mustard and corriander were grown after soybean also showed variation in yield under control and life saving irrigation conditions. Grain yield of wheat was increased by 18.32%, gram by 27.17%, mustard by 23.23% when grown after soybean. Yield of coriander was increased by 7.1% when grown after soybean under the influence of one life saving irrigation. Similar findings were also reported by Nagdeve, and Patode, (2012). Residual effect of soybean on grain yield of wheat, Chickpea, mustard and coriander was more when these crops were taken after soybean as compared to rice. Effect of life saving irrigation on grain yield of Kharif and Rabi crops. Crop Control Life saving irrigation Soybean 532 689 Rice 1617 1730 Cropping system Wheat Chickpea Mustard Coriander After rice Control 1448 551 383 143 Life saving irrigation 1682 (16.16%) 702 (27.40%) 477 (24.54%) After soybean Control 1479 564 396 183 Life saving 1750 717 irrigation (18.32%) (27.12%) Figures in parentheses are % increases in yield over control 488 (23.23%) Effect of life saving irrigation on net profit of Kharif and Rabi crops Crop (Kharif) Control Life saving irrigation Mean Soybean 6370 10220 (60.43%) 8295 Rice 9358 10162 (8.59%) 9760 Mean 7864 10191 171 (19.58%) 196 (7.10%) Rabi Wheat Chickpea Mustard Coriander Mean After rice Control 1908 3868 5256 5466 4124.5 After soybean LSI 3335 (74.79%) 11050 (185.67%) 6648 (26.48%) 10780 (97.21%) 7954.5 Control 1003 5038 5655 7866 4890.5 LSI 6088 (506.97%) 12464 (147.39%) 7489 (32.43%) 12280 (56.11%) 9580.5 603 | Page Resource conservation and rainfed agriculture
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Extended Summaries 22-24 December,
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Citation Rama Rao, C.A., Srinivasa
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Resilience through land and water m
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International Conference on Reimagi
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Theme- 2 Ecosystem based approaches
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Theme- 6 Institutional and policy i
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