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International Conference on Reimagining Rainfed Agro-ecosystems: Challenges & Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad Both tillage and nitrogen treatments had significant effect on bulk density and total porosity of the soil at different depths. Among the tillage treatments, significantly lower mean soil bulk density was recorded in CA followed by RT and CT in 0-7.5, 7.5-15 and 15-30 soil depth, respectively. The lower mean soil bulk density by 7.2, 7.1 and 4.2% was recorded in N125 as compared to N0 at 0-7.5, 7.5-15 and 15-30 cm soil depth, respectively. An opposite relationship was observed between bulk density and soil total porosity. Significantly higher soil total porosity was observed in NT followed by RT and CT in different depths studies. The higher soil total porosity was observed in N125 at 0-7.5, 7.5-15, 15-30 and 30-45 cm soil depth as compared to the previous N fertilizer levels. The significant increase was to the extent of 10.9, 11.1, 7.2 and 6.0% at 0-7.5, 7.5-15, 15-30 and 30-45 in N125 as compared to the N0. The overall results were close conformity with the earlier findings by Blanco Canqui and Ruis, 2018 and Indoria et al., 2017. Conclusion The order of performance of tillage practices in improving the soil total carbon, bulk density and soil total porosity was: CA>RT> CT. While, the order of performance of N fertilizer levels in improving soil total carbon, bulk density and porosity was: N125>N100>N75>N0. The interactive effects of CA+N125 were found superiorin improving these soil properties as compared to other treatment combinations. References Blanco-Canqui, H. and Ruis, S. J. 2018. No-tillage and soil physical environment. Geoderma. 326: 164-200. Indoria, A. K., Srinivasarao, Ch., Sharma, K.L. and Sammi Reddy, K. 2017. Conservation agriculture–a panacea to improve soil physical health. Current Science.112: 52-61. T4a-27P -1091 Effect of Various Organic Sources of Nutrients on Growth and Yield of Tomato S. V. Uphade, A. K. Gore and D. P. Waskar Organic Farming Research and Training Centre, Vasantrao Naik Marathwada Krishi Vidyapeeth, Parbhani, Maharashtra 431401(India). *ofrtcvnmkvparbhani@gmail.com Organic farming is gaining importance in recent past due to want of residue free food and soil health improvement. In context of this there is increasing demand for organic vegetables from 621 | Page Resource conservation and rainfed agriculture
International Conference on Reimagining Rainfed Agro-ecosystems: Challenges & Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad consumers particularly in metro and big cities. Among vegetable crops tomato (Lycopersicon esculantum L.) is important crop grown throughout the year which gives high yield within a relatively short period and it is economically attractive. In India tomato occupied 76 thousand ha with a production 18.39 Mt. In Maharashtra, tomato is a highly demanded vegetable in addition to it being a rainfed crop in kharif season. Using organic fertilizers especially in composted form had positive effect on soil health and fertility, which consequents increased yield in long term (Mehdizadeh,2013), increased cation exchange capacity of soil and increase availability of some nutrients such Ca, Mg, and P (Abou-Hussein et al.,2002). In this context an experiment was conducted to study the effect of various organic sources of nutrients on growth and yield of tomato and the economics of various treatments. Methodology An experiment was conducted at Organic Farming Research and Training centre, Vasantrao Naik Marathwada Krishi Vidyapeeth Parbhani, during kharif 2018-2019. Eleven treatments with three replications were tested in RBD design. The tomato transplants were cultivated in the plot area of 6.0 x 5.4 m as gross and 4.2 m x 4.8 m as net plot. The variety PKM -1 was transplanted on 12 th July, 2018 with recommended management practices as per various treatments. Results The data on tomato yield, monetary returns, B:C ratio as influenced by different treatments is presented in table. Tomato crop yield, Gross Monetary Returns (GMR), Net Monetary Returns (NMR), B : C Treatments ratio as influenced by different treatments.(2018 – 19). Tomato Yield (t/ha) GMR (₹/ha) NMR (₹/ha) B:C ratio T 1: RDN 100 % through FYM 24.8 200213 122480 2.56 T 2: RDN 100 % through Vermi Compost (VC) T 3: RDN 50% through FYM + RDN 50 % through VC T 4: RDN 50% through FYM + Neem cake @ 400 Kg/ha T 5: RDN 100 %: FYM + JA 3 app (FA & SA) @ 20 days interval 26.1 209626 145440 2.71 25.9 204613 126766 2.66 23.4 182826 119703 2.45 25.5 200293 126765 2.58 622 | 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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