Sustainable fertilizer practices for upland rice (Oryza sativa) from permanent manurial trials under subhumid alfisoh
DOI:
https://doi.org/10.59797/ija.v52i2.4900Keywords:
Optimization, Permanent manurial trial, Predictability, Regression, Seasonal rainfall, Sustainability yield index, Upland riceAbstract
Twelve permanent manurial trials were conducted from 1994 to 2005 to develop a sustainable fertilizer applica- tion schedule for upland rice (Oryza sativa L.) and find out optimal fertilizer requirement for attaining maximum productivity in a moist subhumid alfisol. Nine treatments of organic N (glyricidia, cassia and farmyard manure) and inorganic N, P and K fertilizers together with a contol, were tested. The treatments differed significantly from each other in all seasons. Application of 50% N (FYM) + 50% PK of recommended dose proved superior, as evident from lowest yield decrease of 86.4 kglyear compared with a maximum of 170.9 kglyear with application of 100% NPK (inorganic). Regression analysis revealed that the treatment comprising 50% N (FYM) + 50% NPK was supe- rior with a maximum yield predictability of 0.85 with a prediction error of 511 kglha, and a maximum sustainability yield index (0.47), maximum mean yield (1,811 kglha) and lowest variation (29%) in the study. The study indicated that an optimum application of 32, 22, 17 and 14 kglha organic N together with 28, 33, 39 and 47 kglha inorganic N could be made respectively under 500-750, 750-1,000, 1,000-1,250 and 1,500-1,750 mm of crop seasonal rainfall for attaining sustainable productivity of upland rice under rainfed conditions in moist subhumid alfisols.References
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June 20071 SUSTAINABLEFERTILIZER PRACTICES FOR UPLAND RICE IN SUl3HUMID ALnSOLS
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Singh, N.P., Sachan, R.S., Pandey, P.C. and Bisht, PS. 1999. Effect of a decade long fertilizer and manure application on soil fertility and productivity of rice-wheat system in a mollisol. Journal of Indian Society of Soil Science 47(1): 72-80.
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Vittal, K.P.R., Maruthi Sankar, G.R., Singh, H.P., Balaguravaiah, D., Padamalatha Y. and Yellamanda Reddy, T. 2003. Modeling sustainability of crop yield of rainfed groundnut based on rainfall and land degradation. Indian Journal of Dryland Agriculture Research and Development 18: 7-13.Dixit, K.G. and Gupta, B.R. 2000. Effect of FYM, chemical and
biofertilizer on yield and quality of rice (Oryza sativa L.) and
soil properties. Journal of Indian Society of Soil Science
(4): 773-780. Draper, N.R. and Smith, R. 1998. Applied Regression Analysis. John
Wiley & Sons Inc., New York.
June 20071 SUSTAINABLEFERTILIZER PRACTICES FOR UPLAND RICE IN SUl3HUMID ALnSOLS
Gomez, K.A. and Gomez, A.A. 1985. Statistical Procedures for Agricultural Research. John Wiley &Sons Inc., New York.
Jagadeeswari, P.V. and Kumaraswamy, K. 2000. Long term effect of manure-fertilizer schedules on the yield and nutrient uptake by rice crop in a permanent manurial experiment. Journal of Indian Society of Soil Science 48(4): 833-836.
Maruthi Sankar, G.R. 1986. On screening of regression models for selection of optimal variable subsets. Journal of Indian So- ciety of Agricultural Statistics 38: 16 1-168.
Pal, A.K., Behera, B. and Mohanty, S.K. 2006. Long term effect of chemical fertilizers and organic manures on sustainability of rice (Oryza sativa L.)-horse gram (Microtyloma uniflorum) cropping sequence under rainfed upland soil. Indian Journal- of Agricultural Sciences 76(4): 21 1-274.
Prihar, S.S. and Gajri, P.R. 1988. Fertilization of dryland crops. In-dian Journal of Dryland Agricultural Research and Devel- opment 3: 1-33
Senapati, S.K., Pani, B.K. and Senapati, P.C. 200 1. Long term ef- fects of manuring practices in an alfisol under rainfed con- dition of Orissa. Indian Journal of Dryland Agriculture Re- search and Development 16(2): 104-109.
Senapati, S.K., Senapati, S.K., Pani, B.K., Subudhi, C.R. and Senapati, P.C. 2002. Productivity of rainfed rice-horse gram cropping sequence as influenced by manuring practices in eastern ghat of Orissa. Indian Journal of Soil Conservation 30(1):49-52.
Singh, N.P., Sachan, R.S., Pandey, P.C. and Bisht, PS. 1999. Effect of a decade long fertilizer and manure application on soil fertility and productivity of rice-wheat system in a mollisol. Journal of Indian Society of Soil Science 47(1): 72-80.
Snedecor, GW. and Cochran, W.G 1967. Statistical Methods. Iowa State University Press, Ames, Iowa, the USA.
Venkateswarlu, J. and Singh, R. 1982. Review of soils research in India. Crop response to applied nutrients under limited wa- ter conditions. Transactions of 12th International Soil Sci- ence Congress, New Delhi.
Vittal, K.P.R., Maruthi Sankar, G.R., Singh, H.P., Balaguravaiah, D., Padamalatha Y. and Yellamanda Reddy, T. 2003. Modeling sustainability of crop yield of rainfed groundnut based on rainfall and land degradation. Indian Journal of Dryland Agriculture Research and Development 18: 7-13.
