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Energy efficiency and carbon footprints of rice-wheat system under long-term tillage and residue management practices in western Indo-Gangetic Plains in India

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Title Energy efficiency and carbon footprints of rice-wheat system under long-term tillage and residue management practices in western Indo-Gangetic Plains in India
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Creator R Singh
A Singh
P Sheoran
RK Fagodiya
AK Rai
P Chandra
S Rani
RK Yadav
PC Sharma
 
Subject Energy budgeting
Carbon footprints
Direct seeded rice
Zero tillage wheat
Crop residue
 
Description Not Available
Conventional rice-wheat cropping system (RWCS) in western Indo-Gangetic Plains (IGP) is carbon and energy intensive. A field experiment was conducted to evaluate energy budgeting, carbon footprints (CF) and greenhouse gas (GHG) emissions from RWCS under long-term tillage and residue management practices. Experiment consisted six treatment combination of tillage [conventional tillage (CT), reduced tillage (RT) and zero tillage (ZT)] and residue [with residue (+R) and without residue (–R)] namely (i) CT-R (conventional farmers’ practice), (ii) CT + R, (iii) RT-R, (iv) RT + R, (v) ZT-R and (vi) ZT + R. Energy consumption ranged from 51.87 GJ ha−1 (ZT-R) to 64.91 GJ ha−1 (CT + R) and irrigation water was major energy intensive input (41–44%) followed by chemical fertilizer (32–40%). Compared to CT-R, energy use efficiency (EUE) increased by 8.7–22.4%, CF lowered by 77.9–34.3%, and GHG emission lowered by 12.8–16.3% in different treatments. Residue addition enhanced the soil carbon accumulation in ZT + R (1213 kg C ha−1 yr−1) and RT + R (987 kg C ha−1 yr−1). Overall, switching from CT–R to ZT + R lowered energy consumption (19%), GHG emission (16%) and CF (78%), making it best-bet option for climate change mitigation and global warming related environmental protection in western IGP and similar agro–ecologies.
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Date 2022-02-11T04:45:08Z
2022-02-11T04:45:08Z
2021-11-18
 
Type Research Paper
 
Identifier Singh R, Singh A, Sheoran P, Fagodiya RK, Rai AK, Chandra P, Rani S, Yadav RK, Sharma PC. 2021. Energy efficiency and carbon footprints of rice-wheat system under long-term tillage and residue management practices in western Indo-Gangetic Plains in India. Energy. 122655.
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http://krishi.icar.gov.in/jspui/handle/123456789/69751
 
Language English
 
Relation Not Available;
 
Publisher Elsevier