Papers by Jagadish Timsina
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Sustaining rice (Oryza sativa L.) productivity at high level is a great challenge, particularly i... more Sustaining rice (Oryza sativa L.) productivity at high level is a great challenge, particularly in areas where rice productivity declines in spite of following recommended nutrient management practices. Nutrient management by integrating organic manures, inorganic fertilizers and biofertilizers may play an important role in improving and sustaining rice productivity. In this study, the authors tried to evaluate the suitable proportion of organic manures and inorganic fertilizers along with biofertilizer to maximize growth and productivity of hybrid rice on sandy-loam lateritic soils of West Bengal, India. The crop having 50% recommended dose of fertilizer (RDF) + 50% recommended dose of nitrogen (RDN) through mustard oil cake (MOC) and 75% RDF + 25% RDN through MOC + biofertilizer significantly increased plant height, number of tillers/m 2 , leaf area index (LAI), dry matter accumulation (DMA) and crop growth rate (CGR) at initial and vital period of grain growth over those of 25% RDF + 75% RDN through MOC and 100% RDN through MOC. The former two treatments also increased number of panicles/m 2 and number of grains/panicle over those of only organic manuring (100% RDN) or only chemical fertilization (100% RDF) or 25% RDF + 75% RDN through MOC. Crop with 75% RDF + 25% RDN through MOC + biofertilizer or 50% RDF + 50% RDN through MOC produced 20.2%-33.8% higher grain yield and 11.0%-33.3% greater straw yield, and paid higher gross and net returns over other treatments. This study suggests growing hybrid rice with 75% RDF + 25% RDN through MOC + biofertilizer or 50% RDF + 50% RDN through MOC for better growth, higher productivity and greater profit.
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Advances in Agronomy, 2005
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Journal of the Institute of Agriculture and Animal Science, 2007
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Soil Science Society of America Journal, 1997
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Plant Production Science, 2005
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Field Crops Research, 2009
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Field Crops Research, 1994
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Field Crops Research, 1994
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Field Crops Research, 2001
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Field Crops Research, 2006
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European Journal of Agronomy, 2012
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European Journal of Agronomy, 2012
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… International Symposium on …, 2001
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Final Report, ACIAR …, 2002
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Page 1. Performance and application of CERES and SWAGMAN ® Destiny models for rice-wheat cropping... more Page 1. Performance and application of CERES and SWAGMAN ® Destiny models for rice-wheat cropping systems in Asia and Australia: a review J. Timsina and E. Humphreys May 2003 CSIRO Land and Water Technical Report 16/03 Page 2. ii ...
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Australian Journal of Experimental Agriculture, 2006
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Agronomy Journal, 2007
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Papers by Jagadish Timsina