An experiment was conducted during kharif season 2020 at Instructional Farm, College of Agriculture, Ummedganj, Kota. The experiment comprised twenty-four treatment combinations, having four levels of phosphorus viz., 0, 20, 40 and 60 kg ha-1, three levels of sulphur viz., 15, 30 and 45 kg ha-1 and foliar spray of gibberellic acid viz., no spray and spray of GA3 @ 75 ppm laid out in sub-sub split-plot design with three replications. Results showed that application of 60 kg P2O5 ha-1 had significant effect on plant height, dry matter accumulation plant-1, branches plant-1 at 30, 60 DAS and at harvest, root nodules plant-1 and their dry weight at 45 DAS while root nodules plant-1 and their dry weight at 45 DAS andseed yield (1956 kg ha-1) over application of 40, 20 kg P2O5 ha-1 and control. Significantly higher seed yield (1956 kg ha-1) was recorded under application of 60 kg P2O5 ha-1 over application of 20 kg P2O5 ha-1 and control. However, it was found at par with application of 40 kg P2O5 ha-1. Application of 45 kg sulphur ha-1 had significantly higher plant height (cm) at 60 DAS and at harvest, dry matter accumulation (g plant-1) at 30, 60 and at harvest stages, branches plant-1 at 30, 60 and at harvest stage, number of root nodules and their dry weight (g) and seed yield (1742 kg ha-1) which was found at par with application of 30 kg sulphur ha-1 over 15 kg sulphur ha-1. Application of gibberellic acid @ 75 ppm as foliar spray gave significantly higher plant height (cm) at 60 DAS and at harvest stage, dry matter accumulation (g plant-1) at 60 DAS and at harvest, branches plant-1 at 30, 60 DAS and harvestand seed yield (1770 kg/ha) over control.
Background: Soybean is an important legume as well as oil seed crop grown in a varied range of climate and soils. Phosphorous and sulphur is an important macronutrient required for plants. Their deficiency in soil is a worldwide concern for production of food crops. Therefore, present investigation was done to study influence of phosphorus and sulphur fertilization on productivity, profitability and quality of soybean. Methods: An experiment conducted during kharif 2021 and laid out in factorial randomized block design with three replications having four levels of phosphorous (0, 20, 40 and 60 kg ha-1) and three levels of sulphur (15, 30 and 45 kg ha-1). The data was recorded, analysed and computed statistically. Result: The results indicated that application of 60 kg P2O5 ha-1 and 45 kg S ha-1 gave significantly higher yield, monetary returns and quality of soybean over rest of phosphorous and sulphur levels. However, it was found at par with 40 kg P2O5 ha-1 and 30 kg S ha-1.
An experiment was conducted on mungbean (Vigna radiata L.) during three consecutive years of zaid (2016 to 2018) at Agricultural Research Station, Ummedganj, Kota (Rajasthan). The experiment consisted of 12 treatment combinations including three irrigation regimes (IW/CPE ratio 0.8, 1.0 and 1.2) and four fertility amendments along with foliar spray of bio-regulator (100 % RDF, 100 % RDF + salicylic acid 100 ppm, 125 % RDF + salicylic acid 100 ppm and 150% RDF + salicylic acid 100 ppm) were under taken in split plot design with four replications. The maximum grain yield (930 kg ha-1) was recorded under application of IW/CPE ratio 1.2 over IW/CPE ratio 1.0 and 0.8. Significantly higher WUE (2.04 and 2.03 kg ha-mm-1) and WP (0.204 and 0.203 kg m-3) were recorded under irrigation regime of IW/CPE ratio 1.2 and 1.0 in comparison to IW/CPE ratio 0.8. Significantly higher net return (Rs. 37409/- ha-1) and B:C ratio (1.89) were recorded under irrigation regime of IW/CPE ratio 1.2 over irrigation regimes of IW/CPE ratio 1.0 and 0.8. The maximum grain yield (830 and 840 kg ha-1) was recorded with the application of 125 % RDF + foliar spray of salicylic acid 100 ppm remained on par with 150 % RDF + foliar spray of salicylic acid 100 ppm, but it was found significantly superior over application of over application of 100 % RDF + foliar spray of salicylic acid 100 ppm and 100 % RDF. Significantly higher water use efficiency (2.06 kg ha-mm-1) and water productivity (0.206 kg m-3) were recorded in mungbean with the application of 125 % RDF + foliar spray of salicylic acid 100 ppm over application of 100% RDF + foliar spray of salicylic acid 100 ppm and 100 % RDF in mungbean. Application of 125 % RDF + foliar spray of salicylic acid 100 ppm gave maximum net return (Rs. 31272/- ha-1) and B:C ratio (1.59) over application of 100% RDF + foliar spray of salicylic acid 100 ppm and 100 % RDF.
An experiment was conducted on urdbean during kharif 2021 at Instructional Farm, College of Agriculture, Ummedganj, Kota (Rajasthan). The experiment comprised of 10 treatments viz. (Control, 75% RDF, 100% RDF, 75% RDF + Rhizobium @ 600 g ha-1 seed inoculation, 75% RDF + PSB @ 600 g ha-1 seed inoculation, 75% RDF + Rhizobium @ 600 g ha-1 + PSB @ 600 g ha-1, 75% RDF + 0.1% FeSO4 + 0.5% ZnSO4 at pre flowering and pod formation stage, 75% RDF + 0.1% FeSO4 + 0.5% ZnSO4 at pre flowering and pod formation stage + Rhizobium @ 600 g ha-1, 75% RDF + 0.1% FeSO4 + 0.5% ZnSO4 at pre flowering and pod formation stage + PSB @ 600 g ha-1, 75% RDF + 0.1% FeSO4 + 0.5% ZnSO4 at pre flowering and pod formation stage + Rhizobium 600 g ha-1+ PSB @ 600 g ha-1) was carried out in randomized block design with three replications. Significantly higher plant height at 60 DAS (25.28 cm) and at harvest (34.43 cm), nodules plant-1 (29.22) at 45 DAS, nodule fresh weight (86.31 mg plant-1) at 45 DAS, chlorophyll content (3.19 mg g-1) at 45 DAS and dry matter accumulation (2.71, 5.94 and 9.99 g plant-1) at 30, 60 DAS and at harvest were recorded with application of 75% RDF + 0.1% FeSO4 + 0.5% ZnSO4 at pre flowering and pod formation stage + Rhizobium 600 g ha-1+ PSB @ 600 g ha-1 in urdbean over rest of the treatments. Among these treatments, application of 75% RDF + 0.1% FeSO4 + 0.5% ZnSO4 at pre flowering and pod formation stage + Rhizobium 600 g ha-1+ PSB @ 600 g ha-1 produced maximum seed yield (1269.30 kg ha-1) of urdbean.
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