Crop residue management in sustaining production of rice-wheat system / J. Tripathi    

Public ISBD in Proceedings of wheat research papers presented at 25th National Winter Crops Research Workshop held at NARC, Khumaltar, September 11-12, 2002     Title : Crop residue management in sustaining production of rice-wheat system Material Type: printed text Authors: J. Tripathi, Author ; T.P Kharel, Author ; Duxbury J.M, Author ; N.K Shakya, Author ; J Lauren, Author Pagination: 166-173 p. Languages : English (eng) Abstract: An experiment on crop residue management in rice-wheat system conducted for four successive years ( 1998/99-200 I /02) revealed that residue incorporation with recommended N PK increased both grain yield of rice and wheat crops when 20 kg additional nitrogen was applied at the time of straw incorporation. Mulched treatment with recommended N PK a so produced better yield in both rice and wheat crops. Residue incorporated with recommended N PK only produced similar or less yield to that of recommended NPK treatment only. However, the effects of residue management were seen only after the second year. Thus it is expected that residue management in rice-wheat system will be beneficial in the long run to improve productivity and sustainability of the rice-wheat system. Link for e-copy: http://elibrary.narc.gov.np/?r=2723 in Proceedings of wheat research papers presented at 25th National Winter Crops Research Workshop held at NARC, Khumaltar, September 11-12, 2002     Crop residue management in sustaining production of rice-wheat system [printed text] / J. Tripathi, Author ; T.P Kharel, Author ; Duxbury J.M, Author ; N.K Shakya, Author ; J Lauren, Author . - [s.d.] . - 166-173 p. Languages : English (eng) Abstract: An experiment on crop residue management in rice-wheat system conducted for four successive years ( 1998/99-200 I /02) revealed that residue incorporation with recommended N PK increased both grain yield of rice and wheat crops when 20 kg additional nitrogen was applied at the time of straw incorporation. Mulched treatment with recommended N PK a so produced better yield in both rice and wheat crops. Residue incorporated with recommended N PK only produced similar or less yield to that of recommended NPK treatment only. However, the effects of residue management were seen only after the second year. Thus it is expected that residue management in rice-wheat system will be beneficial in the long run to improve productivity and sustainability of the rice-wheat system. Link for e-copy: http://elibrary.narc.gov.np/?r=2723

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Effect of long term application of fertilizer and manure under rice-rice-wheat cropping system / T.P Kharel    

Public ISBD in Proceedings of wheat research papers presented at 25th National Winter Crops Research Workshop held at NARC, Khumaltar, September 11-12, 2002     Title : Effect of long term application of fertilizer and manure under rice-rice-wheat cropping system Material Type: printed text Authors: T.P Kharel, Author ; Regmi, A.P., Author ; L L Shrestha, Author ; J. Tripathi, Author Pagination: 190-196 p. Languages : English (eng) Abstract: A long term soil fertility experiment in rice-rice-wheat system has been conducted at National Wheat Research Program, Bhairahawa since 1978/79 to evaluate the effect of long term application of mineral fertilizer and organic manure on crop yield and soil properties as well. In the long run, phosphorus was found to be the most limiting factor for grain yield production of both rice and wheat crops and followed by potassium………………….. Link for e-copy: http://elibrary.narc.gov.np/?r=2726 in Proceedings of wheat research papers presented at 25th National Winter Crops Research Workshop held at NARC, Khumaltar, September 11-12, 2002     Effect of long term application of fertilizer and manure under rice-rice-wheat cropping system [printed text] / T.P Kharel, Author ; Regmi, A.P., Author ; L L Shrestha, Author ; J. Tripathi, Author . - [s.d.] . - 190-196 p. Languages : English (eng) Abstract: A long term soil fertility experiment in rice-rice-wheat system has been conducted at National Wheat Research Program, Bhairahawa since 1978/79 to evaluate the effect of long term application of mineral fertilizer and organic manure on crop yield and soil properties as well. In the long run, phosphorus was found to be the most limiting factor for grain yield production of both rice and wheat crops and followed by potassium………………….. Link for e-copy: http://elibrary.narc.gov.np/?r=2726

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Effect of long term application of fertilizer and manure under rice-wheat system / T.P Kharel    

Public ISBD in Proceedings of wheat research papers presented at 25th National Winter Crops Research Workshop held at NARC, Khumaltar, September 11-12, 2002     Title : Effect of long term application of fertilizer and manure under rice-wheat system Material Type: printed text Authors: T.P Kharel, Author ; Regmi, A.P., Author ; L L Shrestha, Author ; J. Tripathi, Author Pagination: 182-189 p. Languages : English (eng) Abstract: A long term Soil Fertility experiment under rice-wheat system has been conducted since 1988 at RARS, Bhairahawa to evaluate the effect of long term application of fertilizer and manure on soil properties and grain yield of rice and wheat. Grain yields of rice and wheat declined over years in the absence of P. Sesbania biomass dropped below 2.5 ton/ha in the absence of P in the last 7 year……………………………….. Link for e-copy: http://elibrary.narc.gov.np/?r=2725 in Proceedings of wheat research papers presented at 25th National Winter Crops Research Workshop held at NARC, Khumaltar, September 11-12, 2002     Effect of long term application of fertilizer and manure under rice-wheat system [printed text] / T.P Kharel, Author ; Regmi, A.P., Author ; L L Shrestha, Author ; J. Tripathi, Author . - [s.d.] . - 182-189 p. Languages : English (eng) Abstract: A long term Soil Fertility experiment under rice-wheat system has been conducted since 1988 at RARS, Bhairahawa to evaluate the effect of long term application of fertilizer and manure on soil properties and grain yield of rice and wheat. Grain yields of rice and wheat declined over years in the absence of P. Sesbania biomass dropped below 2.5 ton/ha in the absence of P in the last 7 year……………………………….. Link for e-copy: http://elibrary.narc.gov.np/?r=2725

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Management of sesbania and its effect on rice-wheat system / Regmi, A.P.    

Public ISBD in Rice research in Nepal : Proceedings of 24th National Summer Crops Research Workshop, Khumaltar, Lalitpur, 30-31 June 2004 / Adhikari, N.P.     Title : Management of sesbania and its effect on rice-wheat system Material Type: printed text Authors: Regmi, A.P. ; T.P Kharel, Author ; L L Shrestha, Author Pagination: 298-305 p. Languages : English (eng) Keywords: Sesbania  ;  Residual  effect  rice  wheat Abstract: Sesbania is an important green manuring crop grown under rice-wheat system that could substitute nitrogenous fertilizer. Ho.wever, production of biomass largely depends upon its management. A long-term soil fertility experiment has been conductf!d since 1988 at national wheat research program, Bhairahawa to evaluate the effect nutrient {P and K) on Sesbania biomass production and its effect on grain yield of rice and wheat and on soil properties as well. Six different treatments including two Sesbania {with and with out P) were evaluated. Missing nutrient {P and K) was applied to part of the plot to observe the effect of superimpose on biomass production. Sesbania biomass declined linearly {J' = -893+ 13726 nl •• X, x = 0.825 ) in minus P plots and biomass came down below 2 tonlha in later years. Sesbania grown in residual P plots initially increased, however, it also showed declining trend {Y = -270+16123X, K = 0.184"·). Application ofphosphorus toP missing treatment increased 5-fold biomass of Sesbania than no P plots. Similarly superimpose of potassium also increased {17%) biomass over no potassium plots. Biomass of Sesbania grown in N plots {minus P and Kplots) correlated with rice yields {r = 0.73*), r-valuefurther increased to 0. 78 when grown in residual P plots. Farmyard manure found to be superior over Sesbania in producing rice-wheat grain yields and also improved soil chemical properties compared to Sesbania. No residual effect of Sesbania was seen on wheat crop; rather wheat yields were lower in Sesbania plot than the no Sesbania plot in later years of the experiment. Sesbania had no effect on soil organic matter content. Growth and biomass of Sesbania was largely limited by phosphorus followed by potassium. Sesbania biomass yield could be reversed with the replenishment of P and K Link for e-copy: http://elibrary.narc.gov.np/?r=1115 in Rice research in Nepal : Proceedings of 24th National Summer Crops Research Workshop, Khumaltar, Lalitpur, 30-31 June 2004 / Adhikari, N.P.     Management of sesbania and its effect on rice-wheat system [printed text] / Regmi, A.P. ; T.P Kharel, Author ; L L Shrestha, Author . - [s.d.] . - 298-305 p. Languages : English (eng) Keywords: Sesbania  ;  Residual  effect  rice  wheat Abstract: Sesbania is an important green manuring crop grown under rice-wheat system that could substitute nitrogenous fertilizer. Ho.wever, production of biomass largely depends upon its management. A long-term soil fertility experiment has been conductf!d since 1988 at national wheat research program, Bhairahawa to evaluate the effect nutrient {P and K) on Sesbania biomass production and its effect on grain yield of rice and wheat and on soil properties as well. Six different treatments including two Sesbania {with and with out P) were evaluated. Missing nutrient {P and K) was applied to part of the plot to observe the effect of superimpose on biomass production. Sesbania biomass declined linearly {J' = -893+ 13726 nl •• X, x = 0.825 ) in minus P plots and biomass came down below 2 tonlha in later years. Sesbania grown in residual P plots initially increased, however, it also showed declining trend {Y = -270+16123X, K = 0.184"·). Application ofphosphorus toP missing treatment increased 5-fold biomass of Sesbania than no P plots. Similarly superimpose of potassium also increased {17%) biomass over no potassium plots. Biomass of Sesbania grown in N plots {minus P and Kplots) correlated with rice yields {r = 0.73*), r-valuefurther increased to 0. 78 when grown in residual P plots. Farmyard manure found to be superior over Sesbania in producing rice-wheat grain yields and also improved soil chemical properties compared to Sesbania. No residual effect of Sesbania was seen on wheat crop; rather wheat yields were lower in Sesbania plot than the no Sesbania plot in later years of the experiment. Sesbania had no effect on soil organic matter content. Growth and biomass of Sesbania was largely limited by phosphorus followed by potassium. Sesbania biomass yield could be reversed with the replenishment of P and K Link for e-copy: http://elibrary.narc.gov.np/?r=1115

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Resource conservation technologies for wheat production in rice-wheat system / J. Tripathi    

Public ISBD in Proceedings of wheat research papers presented at 25th National Winter Crops Research Workshop held at NARC, Khumaltar, September 11-12, 2002     Title : Resource conservation technologies for wheat production in rice-wheat system Material Type: printed text Authors: J. Tripathi, Author ; Bhandari, D., Author ; Justice, Scott, Author ; N.K Shakya, Author ; T.P Kharel, Author ; R Sishodia, Author Pagination: 157-165 p. Languages : English (eng) Abstract: The rice-wheat cropping pattern is a dominant production system that contributes immensely to the food security of the country. Improving the productivity and sustainability is crucial. The resource conservation technologies are found to be effective as they offer a great deal of promise in reducing the crop establishment cost increase input use efficiency and providing environmental benefits…………………. Link for e-copy: http://elibrary.narc.gov.np/?r=2721 in Proceedings of wheat research papers presented at 25th National Winter Crops Research Workshop held at NARC, Khumaltar, September 11-12, 2002     Resource conservation technologies for wheat production in rice-wheat system [printed text] / J. Tripathi, Author ; Bhandari, D., Author ; Justice, Scott, Author ; N.K Shakya, Author ; T.P Kharel, Author ; R Sishodia, Author . - [s.d.] . - 157-165 p. Languages : English (eng) Abstract: The rice-wheat cropping pattern is a dominant production system that contributes immensely to the food security of the country. Improving the productivity and sustainability is crucial. The resource conservation technologies are found to be effective as they offer a great deal of promise in reducing the crop establishment cost increase input use efficiency and providing environmental benefits…………………. Link for e-copy: http://elibrary.narc.gov.np/?r=2721

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Tillage and crop establishment interactions in rice-wheat lowland ecosystem / J. Tripathi    

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