Author(s): Nisha Verma, AK Dave, Nihal Kumar Pandey and AK Shrivastava

Abstract: Puddling effects were investigated in terms of energy use pattern, puddling index, depth of puddling, regermination of weeds and yield of summer rice cultivation. A study was conducted at agriculture farm of IGKV, Raipur, (Chhattisgarh) India during rabi season of 2022-2023 with nine treatments which were replicated thrice. The energy consumption of the various operations in each treatment has been recorded. Total energy input and output of summer rice were estimated by using the standard energy equivalents. The puddling index, depth of puddling, regermination of weeds varied from 37.73-56.90%, 108-148 mm, 28.16 – 39.16% per m2, respectively. The highest energy requirement for puddling operation was found 2796.81 MJ/ha for treatment T₈ (Rotavator × 3). The highest input energy requirement for rice cultivation in treatment T₈ (Rotavator × 3) was found to be 25113.39 MJ/ha in which fertilizer consumed almost 46.9% i.e., 7013. 60 MJ ha-1 of total energy use. The overall best output was obtained in treatment T₅ (Cultivator × 2 + Rotavator × 2) with a total of 251962 MJ/ha. The results revealed that energy output-input ratio, net energy, energy productivity and specific energy of treatment T₅ (Cultivator × 2 + Rotavator × 2) for summer rice cultivation was found to be 10.13, 227093.63 MJ /ha, 0.310 kg/MJ and 2.53 MJ /kg, respectively.

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