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Research Article Open access CC BY 4.0

Effect of Brown Manuring and Different Levels of Nutrients on Growth and Yield Attributes of Aerobic Rice (Oryza sativa L.)

M. Poornima Reddy, S. K. Chaudhary, Akshay Kumar Kurdekar, S. N. Sandeep, M. Vinay Kumar

International Journal of Environment and Climate Change · pp. 171–177 · Published 17 Nov 2022

10.9734/ijecc/2022/v12i121450

Abstract

A field experiment was conducted during kharif season of 2019 to assess the Effect of brown manuring and different levels of nutrients on growth and yield attributes of aerobic rice (Oryza sativa L.) at Crop Research Centre, Dr Rajendra Prasad Central Agricultural University, Pusa, Bihar. This experiment was conducted in randomized block design (factorial) with sixteen treatment combinations replicated thrice using the rice variety “Abhishek” as a test crop which was planted with a spacing of 20 cm row to row, with the seed rate of 40 kg ha-1. The experimental results indicated that higher values of growth parameters viz. Plant height (109cm), tillers/m2 (355), dry matter production (969g/m2) and crop growth rate (12.2g/m2/day) were observed in rice + brown manuring treatment (B2) as compared to rice without brown manuring (B1) at harvest. While among the nutrient levels, treatment F8- 70 kg/ha phosphorous and 50 kg/ha potassium as split recorded significantly higher growth parameters (tillers/m2, dry matter production and crop growth rate), yield attributes (panicles/m2, grains/panicle), grain yield, while remaining at par with treatment F4 -60 kg/ha phosphorous and 50 kg/ha potassium as split. However, the interaction effect of both the factors did not significantly influence any of the parameters. Further the Aerobic rice cultivation save 40-45 per cent of water as compared to low land cultivation of rice.

Abhishek variety aerobic rice dhaincha knockdown

References (10)

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