Impact of different green gram incorporation practices and nitrogen levels on dry matter and yield of rice
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Authors
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AKSHIT
CHAUDHARY CHARAN SINGH HARYANA AGRICULTURAL UNIVERSITY, HISAR, HARYANA
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O.P. LATHWAL
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R.S. GARHWAL
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A.K. DHAKA
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SUSHIL KUMAR
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SUSHIL KUMAR
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AJAY KUMAR YADAV
Abstract
The study, entitled "Impact of different green gram incorporation practices and nitrogen levels on dry matter accumulation and yield of rice" was carried out at the College of Agriculture, Kaul (Kaithal), CCS HAU, Hisar, Haryana during the summer and kharif seasons of 2020 and 2021. The experiment was arranged in a split-plot design, with residue management practices in preceding dual-purpose green gram (i.e. for seed and residue purpose) as the main plot treatments, including WRRet. fb ZT GG Inc., WRInc. fb CT GG Inc., WRRem. fb ZT GG Inc., WRRem. fb CT GG Inc., WRInc., and WRRem., and nitrogen levels (0, 30, 60, 90, and 120 kg ha⁻¹) as sub-plot treatments for rice, with three replications. All treatments involving green gram residue incorporation resulted in a significantly higher dry matter accumulation at harvest stage, grain yield and its attributing characters compared to treatments where only wheat residue or no residue was incorporated prior to rice transplanting. With respect to nitrogen levels dry matter accumulation and yield-contributing traits, such as number of panicles m-2, the number of grains per panicle and grain yield showed significant improvement up to 90 kg N ha⁻¹, with results comparable to the 120 kg N ha⁻¹ treatment.
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