Response of Soybean[Glycine max (L)]genotypes to methods of Sowing and Phosphorus levels.

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dc.contributor.advisorSinha, K. K.
dc.contributor.authorKumar, Lokesh
dc.date.accessioned2018-01-31T06:58:55Z
dc.date.available2018-01-31T06:58:55Z
dc.date.issued2016
dc.description.abstractA field experiment entitled “Response of soybean genotypes to methods of sowing and phosphorus levels” was carried out during kharif season of 2015 at Agricultural Research Farm of Tirhut College of Agriculture, Dholi, (Muzaffarpur), a campus of Dr. Rajendra Prasad Central Agricultural University, Pusa (Samastipur), Bihar, (India). The treatments comprised two planting methods [Flat bed method (S1) and Ridge and furrow method (S2)] in main plots and combination of three phosphorus levels [P @ 25 kg/ha (P1), P @ 50 kg/ha (P2) and P @ 75 kg/ha (P3)] and three genotypes [JS-335 (V1), PS-1092 (V2) and SL-688 (V3)] in sub-plots. The treatments were replicated thrice in split plot design. The soil of the experimental plot was sandy loam in texture, alkaline in reaction (pH -8.12), low in organic carbon & available N, P2O5 ¬and K2O in medium range. The soybean varieties were sown at a distance of 45 × 5 cm using the seed rate of 75 kg/ha with recommended N and K doses.   Among the planting methods, ridge and furrow method proved significantly superior in all the growth parameters (plant height, number of leaves per plant, number of root nodules, dry matter accumulation, crop growth rate and leaf area index), yield attributes and yield. The ridge and furrow method of planting also significantly improved the grain yield of soybean by 18.08 % over flat bed method. Phosphorus levels, also significantly influenced the all growth parameters (plant height, number of leaves per plant, number of root nodules, dry matter accumulation, crop growth rate and leaf area index), yield and yield attributing parameters. Application of Phosphorus @ 75 kg/ha significantly enhanced the grain yield (16.96 q/ha) by 46.48 % over phosphorus @25 kg/ha under sandy loam condition. Genotypes also showed significant variation on all the growth parameters (plant height, number of leaves per plant, number of root nodules, dry matter accumulation, crop growth rate and leaf area index), yield and yield attributing parameters. Genotype PS-1092 significantly enhanced the grain yield over other two genotypes. Increment in grain yield of soybean under ridge and furrow method of planting resulted in significantly higher gross return ( 73190/ha) and net return ( 48512/ha) as compared to flat bed method. On the basis of economics of soybean under phosphorus levels, it was found that highest gross return ( 72918/ha), net return ( 47702/ha) and B: C ratio (1.88) was incurred with application of phosphorus @ 75 kg/ha. Genotypes PS-1092 recorded the highest gross return ( 74258/ha), net return ( 50162/ha) and B: C ratio (2.08) which was significantly higher than other two genotypes.en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/5810040143
dc.keywordsSoybean, Glycine max, Sowing mehods, Phosphorus levelsen_US
dc.language.isoenen_US
dc.pages85+xvien_US
dc.publisherDr. Rajendra Prasad Central Agricultural University, Pusa (Samastipur)en_US
dc.subAgronomyen_US
dc.subjectnullen_US
dc.themeEffect of methods of sowing and phosphorus levels on Soybeanen_US
dc.these.typeM.Scen_US
dc.titleResponse of Soybean[Glycine max (L)]genotypes to methods of Sowing and Phosphorus levels.en_US
dc.typeThesisen_US
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