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International Conference on Reimagining Rainfed Agro-ecosystems: Challenges & Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad CR 3 - Crop Residue @ 2. 5 T ha -1 + 5 kg ha -1 decomposing microorganism CR 4 - Crop residue @ 2.5 T ha -1 + 10 kg ha -1 decomposing microorganism 48.18 12.96 10.82 4.64 5.46 49.18 13.61 11.74 4.77 5.77 CR 5 - Without crop residue 40.94 10.59 8.45 4.00 3.42 S.E. ± 1.40 0.54 0.35 0.15 0.16 C.D. at 5% 4.07 1.58 1.01 0.45 0.45 Interaction (L × CR) S.E. ± 2.42 0.94 0.60 0.27 0.27 C.D. at 5% NS NS NS NS NS G. M 47.31 14.76 9.78 4.33 4.83 Conclusion Among the land configuration treatments broad bed furrow recorded higher growth attributing characters Plant height, number of functional leaves plant-1, leaf area plant-1, total dry matter accumulation plant-1, number of branches plant-1 than ridges furrow and flat Bed. Among the crop residue management practices, the application of Crop Residue @ 2.5 T/ha + 10 kg ha-1 decomposing microorganism recorded higher growth attributes Plant height, number of functional leaves plant-1, leaf area plant-1, total dry matter accumulation plant-1, number of branches plant-1 over rest of the treatments. References Jadhav, M. B., Kumbhar, M., Patel, M. V., and Shitap, M. S. 2017. Effect of land configuration and mulches on growth, yield and economics of summer groundnut. Trends in Biosciences, 10(27), 0974-8431, 5798 Karande, S. V., Khot, R. B., and Hankare, R. H. 2006. Effect of layout and nutrient integration on yield and nutrient uptake of chickpea. J. Maharashtra Agric. Univ. 31(3), 370. Rudrawar, P. P. 2007 Studies on in situ moisture conservation and nutrient management in soybean (Doctoral dissertation, Vasantrao Naik Marathwada Krishi Vidyapeeth, Parbhani). Shelar, D. N. and Khandekar, B. S. 2013. Performance of moisture conservation practices on growth and yield of soybean (Glycine max. L.). Asian J. Soil Sci. 8(2), 283-285. 633 | Page Resource conservation and rainfed agriculture
International Conference on Reimagining Rainfed Agro-ecosystems: Challenges & Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad T4a-32P-1314 Impact of Application of Organics, Biofertilizers on Soil Nutrient status and Quality parameter of Rabi Sorghum Kuruva Mounika 1* , A. Lalitha Kumari 2 , Ch. Sujani Rao 2 , M. Luther 2 , Sumanta Kundu 1 and K. Sammi Reddy 1 1 ICAR- Central Research Institute for Dryland Agriculture, Hyderabad-500059. 2 Acharya N.G. Ranga Agriculture University, Andhra Pradesh *kuruvamounika1998@gmail.com In India, the area under the sorghum crop is 5.62 m ha, production is 4.57 m t, and productivity is 812 kg ha -1 . The imbalanced fertilizer use, and low organic carbon are attributed to the causes of low system productivity and poor soil health. Integrated and balanced use of nutrients through chemical and organic sources and biofertilizers is a prerequisite to sustaining soil health and producing maximum yield. Objectives of investigation to study the effect of organic manures and biofertilizers on soil nutrient status and protein content of rabi sorghum. Methodology A field experiment entitled was conducted at Agricultural College Farm, Bapatla in the rabi season of 2020-21. Eight treatments in combinations consisting of three levels of fertilizers with FYM, vermicompost, neem cake along with biofertilizers were tried in randomized block design. Available nitrogen content in the soil was determined by the alkaline potassium permanganate method. Available phosphorus in the soil samples was determined by Olsens method. Available potassium in the soil was extracted using neutral normal ammonium acetate method. The total nitrogen in grains was estimated by micro Kjeldahl method. Results The available nitrogen was significantly higher in the treatment T4 (100% RDF + Neem cake @ 500 kg ha -1 + Azospirillum @ 5 kg ha -1 + PSB @ 5 kg ha -1 ) at blooming (390 kg ha -1 ), harvest stage (372 kg ha -1 ) and it was on par with T2 (100% RDF + FYM @ 10 t ha -1 + Azospirillum @ 5 kg ha -1 + PSB @ 5 kg ha -1 (381 and 368 kg ha -1 ) respectively depicted in the table. The high available nitrogen status at both stages in treatments integrated with other components might be ascribed to the fixation of nitrogen by Azospirillum and an additional supply of nitrogen through FYM compared to sole inorganic treatments. Significantly higher soil available phosphorus (68.68 and 66.33 kg ha -1 ) and available potassium (434 and 415 kg ha -1 ) were observed in the 634 | 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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