Background: Soybean [Glycie max (L.) Merril] is a very important oil seed and protein rich crop. It has the specific character to fix atmospheric nitrogen through root nodule bacteria in symbiotic relationship. A field experiment was conducted during kharif, 2019 at ARS farm, College of Agriculture, Ummedganj, Kota (Rajasthan). To find out the effect of organic and inorganic sources of nutrients on growth, yield attributes and nutrient uptake of soybean in Vertisols of Rajasthan. The soil of the experimental field comes under Vertisols with clay loam texture having low to medium fertility status and good porosity. Methods: The experiment consisted of 10 treatments viz. T0- Control (Absolute), T1- RDF (20-40-40), T2- 75% RDF + FYM (2.0 t ha-1), T3- 50% RDF + FYM (4.0 t ha-1), T4- 75% RDF + FYM (2.0 t ha-1) + Rhizobium, T5- 50% RDF + FYM (4.0 t ha-1) + Rhizobium, T6- 75% RDF + Vermicompost (1.0 t ha-1), T7- 50% RDF + Vermicompost (2.0 t ha-1), T8- 75% RDF + Vermicompost (1.0 t ha-1) + Rhizobium, T9- 50% RDF + Vermicompost (2.0 t ha-1) + Rhizobium. The experiment was laid out in randomised block design and was replicated thrice. Result: Among the nutrient management treatment, application of 75% RDF + Vermicompost (1.0 t ha-1) + Rhizobium (T8) resulted into maximum plant height (58.70 cm), branches plant-1 (5.60), chlorophyll content (2.84 mg g-1), total nodules per plant (47.40), effective nodules (31.59) and dry weight (84.20 mg), pods plant-1 (41.90), seeds pod-1 (3.47), grain yield (1380 kg ha-1), haulm yield (1885 kg ha-1), biological yield (3325 kg ha-1), protein (42.25%) and oil content (19.92%), N, P, K content and their uptake, with maximum gross return (53042.71 Rs ha-1), net return (28980.71 Rs ha-1) and B:C ratio (2.20) in soybean crop.
Background: A field experiment was conducted during kharif, 2019 at ARS farm, College of Agriculture, Ummedganj, Kota (Rajasthan). Effect of Integrated Nutrient Management on Soil Health and Nutrient Balance Sheet of soybean Under Vertisols of Rajasthan. The soil of the experimental field is clay loam having low to medium fertility status and good porosity. Method: The experiment consisted of 10 treatments viz. T0 - Control (Absolute), T1 - RDF (20-40-40), T2 - 75% RDF + FYM (2.0 t ha-1), T3 - 50% RDF + FYM (4.0 t ha-1), T4 - 75% RDF + FYM (2.0 t ha-1) + Rhizobium, T5 - 50% RDF + FYM (4.0 t ha-1) + Rhizobium, T6 - 75% RDF + Vermicompost (1.0 t ha-1), T7 - 50% RDF + Vermicompost (2.0 t ha-1), T8 - 75% RDF + Vermicompost (1.0 t ha-1) + Rhizobium, T9 - 50% RDF + Vermicompost (2.0 t ha-1) + Rhizobium. The experiment was laid out in randomised block design and was replicated thrice. Result: Among the nutrient management treatment, application of 50% RDF + Vermicompost (2.0 t ha-1) + Rhizobium (T9) significantly built up of the soil available nitrogen (258 kg ha-1), available phosphorus (21.67 kg ha-1) and available potassium (445.35 kg ha-1), micronutrient and organic carbon (0.59) was recorded.
Aim: The soils of various fields of Agricultural Research Station, Ummedganj-Kota were collected and analyzed for the physical properties viz. soil colour, texture, bulk density, particle density, porosity and water holding capacity. The soil maps were prepared with the help of GIS software using geo-statistical analysis Study Design: Soil sampling, soil analysis and soil mapping. Place and Duration of Study: Agricultural Research Station, Ummedganj-Kota in 2019 and 2020 Methodology: Total 300 Geo-referenced surface (0-15 cm) soil samples collected. The bulk density of the soils ranged from 1.25 to 1.57 Mg m-3 (mean value 1.43 Mg m-3), particle density ranged from 2.57 to 2.71 Mg m-3 (mean value 2.68 Mg m-3) and the porosity of the soils ranged from 41.42 to 51.92% (mean value of 46.42%). Water holding capacity of the soils ranged from 35.11-52.46% (mean value of 44.31%). Soil colour of the different field soils were brown, dark brown, dark gray, very dark gray, and black. Results: According to soil analysis data and soil variability maps field no. 14 was best in physical properties like bulk density (1.37 Mg m-3), particle density ( 2.62Mg m-3) and water holding capacity (49.02%) as compared to other fields of ARS, Ummedganj, Kota. Conclusion: Field no. 14 was best in physical properties like BD, PD, Porosity and WHC as compared to other fields because organic farming practices leads to increase soil organic matter which have positive relation with physical property of the soil.
Background: To find out the suitable integrated nutrient management (INM) package for successful black gram production and to investigate the application of INM on growth, yield, quality and nutrient content of black gram (Vigna mungo L.). Methods: A field experiment was conducted during kharif season of 2019-20, the experiment was laid out in randomized block design with factorial concept having three factors viz,, three fertility levels (75%, 100% and 125% RDF), two FYM level (control and 5 ton FYM ha-1) and three biofertilizers level (Rhizobium, LMn16 and Rhizobium + LMn16) was applied to the variety MU-2 (Mukundra Urad 2). Result: The results indicated that application of higher fertility level like 125% RDF significantly increased all the yield parameters, nutrient content and uptake. Similarly, all the yield parameters, nutrient content and uptake significantly increased under application of FYM (5 ton ha-1) and bio fertilizer (Rhizobium + LMn16) over control plot and sole application of Rhizobium and LMn16 respectively.
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