Estimation of Carbon Footprint in Direct Seeded Rice (Oryza sativa) under Rainfed Medium Land Situation
Susmita Das*
Dept. of Agronomy, Sri Sri University, Cuttack, Odisha (795 004), India
Hirak Banerjee
Dept. of Agronomy, Bidhan Chandra Krishi Viswavidyalaya, Nadia, West Bengal (741 252), India
DOI: NIL
Keywords: Carbon footprint, Direct seeded rice, Greenhouse gas, Seed rate, Sowing techniques
Abstract
An experiment was conducted for two consecutive years, 2018 and 2019 during the kharif season on direct seeded rice in the experimental farm of the Central Agricultural University, Imphal. The experimental site is located under the eastern Himalayan region (II). The study was conducted to investigate into the carbon footprint of direct seeded rice under rain fed medium land situation. The study was based on factorial randomized block design (FRBD) comprising of two factors, sowing techniques and seed rate. Broadcasting and line sowing were the levels under sowing techniques and seed rate has five levels including 80 kg ha-1, 90 kg ha-1, 100 kg ha-1, 110 kg ha-1 and 120 kg ha-1, respectively. The total estimated greenhouse gas emission in line sowing method (11.02% was at par with broadcasting method (11.06%) with 120 kg ha-1 of seed rate followed in both the methods. Line sowing with 100 kg ha-1 resulted in highest carbon output. Further, line sowing with 80 kg ha-1 was superior in terms of parameters like carbon efficiency, carbon sustainability index and carbon efficiency ratio.
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