Effect of crop establishment methods and nutrient management practice on productivity of rice and its effect on succeeding wheat.
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Date
2021
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Department of Agronomy Institute of Agricultural Sciences, Banaras Hindu University Varanasi
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ABSTRACT
The present investigation entitled “Effect of crop establishment methods and nutrient management on productivity of rice and its effect on succeeding wheat was conducted during the kharif and rabi season of 2017 and 2018 at the Agriculture Research Farm, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh. The field experiment way laid out in split plot design assigning three crop establishment methods in main plot comprising of M1 (Direct seeding (aerobic)), M2 (Direct seeding (drum seeder)-anaerobic) and M3 (Conventional transplanting)]. Each main plot was further divided into six sub plots to accommodate sub plot treatments i.e. nutrient management [S1 (100% RDF), S2 (75% RDF + 25% N through organic source), S3 (50% RDF + 50% N through organic source), S4 (125% RDF) and S5 (150% RDF) and S6 (LCC based N application)]. Thus a total of 18 treatment combinations with four replications were tested in the study. Recommended dose of nitrogen, phosphorous and potassium (150:60:40) through urea, DAP and MOP, respectively were applied during both the experimental years. Nitrogen was applied 50% as basal and remaining in two equal splits. The total rainfall experienced during the crop growth season was 656.8 mm in 2017 and 8.509 mm in 2018. HUR 105 variety of rice was used for sowing and transplanting of experiment. Crop establishment and nutrient management were done as per treatment. Other crop management practices were followed as per the recommendation of the area.
Among crop establishment methods, direct seeding (drum seeder)-anaerobic had a significant influence on crop growth, phenology, yield attributes and yield, nutrient uptake, qualitative characters, net returns, B:C ratio and profitability of rice during both the years.
In case of rice nutrient management, application of 125% RDF exerted significantly higher crop growth, phenology, yield attributes and yield, nutrient uptake, qualitative characters, net returns, B: C ratio and profitability of rice over rest of the treatments during both the experimental years.
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Direct seeding