Evaluation of rice establishment methods with nutrient and weed management options under rainfed farming situations of Bastar plateau.
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Title |
Evaluation of rice establishment methods with nutrient and weed management options under rainfed farming situations of Bastar plateau.
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Creator |
Thakur, D. S., Sharma, G.K., Naik, R. K., Khalkho, D., Choudhary, J. L. and Patil, S. K.
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Subject |
Rice establishment methods, nutrient and weed management options, dry aerobic rice seeding, rainfed farming situations of Bastar plateau
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Description |
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This study was conducted during 2006-2009 at Shaheed Gundadhoor College of Agriculture and Research Station, Kumhrawand, Jagdalpur district Bastar (Chhattisgarh) under different rainfed farming situations. In upland farming situation, broadcasting (dry aerobic) + biasi + recommended fertilizer (80-50-30 kg ha-1 of NPK) + In-situ green manuring with sunhemp was found efficient with respect to significantly higher mean grain yield (1.83 t ha-1), highest benefit cost (B:C) ratio (1.52 Rs. per Re.) and maximum rain water use efficiency (RWUE) of 1.59 kg/ha-mm. Under medium land situation, line seeding (dry aerobic) + recommended fertilizer (80-50-30 kg ha-1 of NPK) + in situ green manure incorporation by paddy weeder and weed control was found effective with significantly higher mean grain yield (3.08 t ha-1), highest B:C ratio (2.28) and maximum RWUE (2.51 kg/ha-mm). However, under lowland situation broadcasting + biasi (dry aerobic) + RDF 80:50:30 kg ha-1 of NPK + in-situ green manuring with sunhemp was recorded efficient with a mean maximum grain yield of 5.76 t ha-1, followed by line seeding (dry aerobic) + RDF 80:50:30 kg ha-1 of NPK + Post E weedicide with mean grain yield of 5.74 q ha-1 and line seedling (Dry aerobic)+ RDF 80:50:30 kg ha-1 of NPK + in-situ GM incorporation by paddy weeder & weed control with a marginally lower yield of 5.69 t ha-1. The highest B:C ratio was found in Line seedling (Dry aerobic)+ RDF 80:50:30 kg ha-1 of NPK + In-situ GM incorporation by paddy weeder & weed control. The rice crop establishment methods did not gave any effect on relay crops because the sowing of relay crops is done as soon as the free water disappears. This time is almost same for all the treatments. However, field pea and lathyrus was recorded comparatively higher yields indicating their effectiveness in soil moisture utilization. Field pea was superior with a yield of 1.47 t ha-1 and B: C ratio of 6.16. Not Available |
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Date |
2020-02-07T04:14:05Z
2020-02-07T04:14:05Z 2014-02-09 |
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Type |
Article
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Identifier |
Thakur, D. S., Sharma, G.K., Naik, R. K., Khalkho, D., Choudhary, J. L. and Patil, S. K. (2014). Evaluation of rice establishment methods with nutrient and weed management options under rainfed farming situations of Bastar plateau. Journal of Soil and Water Conservation. Vol. 13(1):36-41
ISSN: 022-457X http://krishi.icar.gov.in/jspui/handle/123456789/31692 |
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Language |
English
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Relation |
Not Available;
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Publisher |
Soil Conservation Society of India , New Delhi
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