Energy auditing and carbon footprint under long-term conservation agriculture-based intensive maize systems with diverse inorganic nitrogen management options

Jat, Shankar Lal; Parihar, C.M.; Singh, Awnindra K.; Kumar, Bhupender; Choudhary, Mukesh; Nayak, H.S.; Parihar, M. D.; Parihar, Neeraj Nath; Meena, Bolta Ram

doi:10.1016/j.scitotenv.2019.01.425

Cited by 79 publications

(32 citation statements)

References 39 publications

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“…This result agrees with the findings of Yadav et al (2018). However, Jat et al (2019) and Lal et al (2019) reported that fertilizer application makes the greatest contribution, followed by N2O emissions and diesel emissions, not fully consistent with these results. These contradictory results may be explained by noting that Jat et al (2019) and Lal et al (2019) did not consider N2O volatilization and leaching.…”

Section: Variations In Cf Under Different Cropping Patternssupporting

confidence: 86%

Effect of straw retention on carbon footprint under different cropping sequences in Northeast China

Song

Zhu

Gong

et al. 2021

Preprint

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Inappropriate farm management practices can lead to increased agricultural inputs and changes in atmospheric greenhouse gas (GHG) emissions, impacting climate change. This study assessed the potential of straw retention to mitigate the negative environmental impact of different cropping systems on the Songnen Plain using the life cycle assessment (LCA) method combined with field survey data. Straw retention (STR) and straw removal (STM) treatments were established in continuous corn (CC) and corn-soybean rotation (CS) systems in a split-plot experiment. The effects of straw retention on the carbon footprint (CF) of cropland under different cropping systems were compared. The CF under CC was 2434.0–2706.9 kg CO 2 ha -1 yr -1 , 49.3%–57.3% higher than that under CS. Nitrogen fertilizer produced the most CO 2 , accounting for 66.2%-80.4% of the CF. The carbon balances of the CC and CS systems with STR were positive, with annual carbon sequestrations of 9632.5 and 2715.9 kg CO 2 ha -1 yr -1 , respectively. The carbon balances of the CC and CS systems with STM was negative, with annual carbon sequestrations of -3589.2 and -3006.2 kg CO 2 ha -1 yr -1 , respectively. This study demonstrates that STR under CC cultivation is an environmentally friendly practice for agricultural production, can help achieve high-yield and low-carbon production in rainfed cropland, and can support the sustainable development of grain production in Northeast China.

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Section: Variations In Cf Under Different Cropping Patternssupporting

confidence: 86%

Effect of straw retention on carbon footprint under different cropping sequences in Northeast China

Song

Zhu

Gong

et al. 2021

Preprint

View full text Add to dashboard Cite

show abstract

“…Similar results showed higher energy efficiency in zero-tillage followed by reduced and conventional tillage in pigeonpea-castor system ( Pratibha et al, 2015 ). As energy use efficiency is the ratio of output energy to input energy, it can be derived that CA-based production system had lesser input energy and produced at par output energy compared to conventional system which enhanced its overall energy use efficiency ( Jat et al, 2019c )…”

Section: Resultssupporting

confidence: 67%

“…In wheat, CTMTR-ZTW-ZTG was recorded significantly higher EP (0.312 kg GJ −1 ) by 56 % over SRI-SWI-ZTG (0.20 kg GJ −1 ). The highest system EP in terms of REY (0.519 kg GJ −1 ) was achieved under CA-based production system, which was 10 % higher over CTDSR-based system and 14–36 % higher than PTR-based systems which also agreed with Jat et al (2019c) . Specific energy (calorific values required to produce 1 kg grain) ranged from1.42–2.14, 1.70–2.23 and 3.10–3.94 GJ kg -1 for rice, wheat and greengram, respectively ( Table 7 ).…”

Section: Resultsmentioning

confidence: 99%

An impact of agronomic practices of sustainable rice-wheat crop intensification on food security, economic adaptability, and environmental mitigation across eastern Indo-Gangetic Plains

Mishra

Poonia

Kumar

et al. 2021

Field Crops Research

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“…GWP N 2 O emissions were estimated based on the levels of synthetic nitrogen fertilizer and crop residual nitrogen by the method determined by the IPCC (2019). GWP N 2 O emissions were calculated as follows: (Yang et al 2014;IPCC 2019;Wang et al 2020). GWP input is the CO 2 emissions from agricultural inputs during agricultural production, calculated as follows:…”

Section: Calculation Of Cropland Cfmentioning

confidence: 99%

Effect of straw retention on carbon footprint under different cropping sequences in Northeast China

Song¹,

Zhu²,

Gong

et al. 2021

Environ Sci Pollut Res

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Inappropriate farm management practices can lead to increased agricultural inputs and changes in atmospheric greenhouse gas (GHG) emissions, impacting climate change. This study was initiated in 2012 to assess the potential for straw retention to mitigate the negative environmental impact of various cropping systems on the Songnen Plain using the life cycle assessment (LCA) method combined with field survey data. Straw retention (STR) and straw removal (STM) treatments were established in continuous corn (CC) and corn-soybean rotation (CS) systems in a split-plot experiment. The effects of straw retention on the carbon footprint (CF) of cropland under different cropping systems were compared. The CF under CC was 2434–2707 kg CO2 ha−1 year−1, 49–57% higher than that under CS. Nitrogen fertilizer produced the most CO2, accounting for 66–80% of the CF. The carbon balances of the CC and CS systems with STR were positive, with annual carbon sequestrations of 9633 and 2716 kg CO2 ha−1 year−1, respectively. The carbon balance (CB) of CC-STR was 255% higher than that of CS-STR. This study demonstrates that STR under CC cultivation is an environmentally friendly practice for agricultural production, can help achieve high-yield and low-carbon production in rainfed cropland, and can support the sustainable development of grain production in Northeast China.

show abstract

Energy auditing and carbon footprint under long-term conservation agriculture-based intensive maize systems with diverse inorganic nitrogen management options

Cited by 79 publications

References 39 publications

Effect of straw retention on carbon footprint under different cropping sequences in Northeast China

Effect of straw retention on carbon footprint under different cropping sequences in Northeast China

An impact of agronomic practices of sustainable rice-wheat crop intensification on food security, economic adaptability, and environmental mitigation across eastern Indo-Gangetic Plains

Effect of straw retention on carbon footprint under different cropping sequences in Northeast China

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