Carbon Storage and Carbon Dioxide Emission as Influenced by Long-term Conservation Tillage and Nitrogen Fertilization in Corn-Soybean Rotation

Utomo, Muhajir; Buchari, Henrie; Banuwa, Irwan Sukri; Fernando, Lanang Koko; Saleh, Rahmat

doi:10.5400/jts.2012.17.1.75

Cited by 3 publications

(3 citation statements)

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“…Thereafter, CO 2 -C emission from IT dropped sharply at 3 DAP and then gradually declined, while emission from CT was relatively level to the end of the season (Fig. 4.1a ) (Utomo et al 2012 ). This was similar to research fi ndings by Al-Kaisi and Yin ( 2005 ), which found that CO 2 emission was generally lower with less tillage compared to moldboard plow usage, with the greatest differences occurring immediately after tillage operations.…”

Section: Carbon Dioxide Emission At the Long-term Plotsupporting

confidence: 81%

“…4.1b ). Emissions of CO 2 at the 200 kg N ha −1 fertilization rate were consistently higher than those at the 0 and 100 kg N ha −1 rates (Utomo et al 2012 ). When tillage was combined with N fertilization, the synergetic effect was clearly observed.…”

Section: Carbon Dioxide Emission At the Long-term Plotmentioning

confidence: 84%

“…Combination of IT and an optimum N rate created a soil micro climate and available N that produced more soil CO 2 emission (Utomo et al 2012 ). , respectively (Fig.…”

Section: Carbon Dioxide Emission At the Long-term Plotmentioning

confidence: 99%

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Conservation Tillage Assessment for Mitigating Greenhouse Gas Emission in Rainfed Agro-Ecosystems

Utomo

2014

Sustainable Living With Environmental Risks

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Global warming due to greenhouse gas emissions is currently receiving considerable attention worldwide. Agricultural systems contribute up to 20 % of this global warming. However, agriculture can reduce its own emissions while increasing carbon sequestration through use of recommended management practices, such as consernvation tillage (CT). The objective of this paper is to review the role of long-term CT in mitigating greenhouse gas emissions during corn production in rainfed tropical agro-ecosystems. The types of conservation tillage were notillage (NT) and minimum tillage (MT). In a long-term plot study, CO 2 emission from CT throughout the corn season was consistently lower than that from intensive tillage (IT). The cumulative CO 2 emissions of NT, MT, and IT in corn crops were 1.0, 1.5, and 2.0 Mg CO 2 -C ha −1 season −1 , respectively. Soil carbon storage at 0-20 cm depth after 23 years of NT cropping was 36.4 Mg C ha −1 , or 43 % and 20 % higher than the soil carbon strorage of IT and MT, respectively. Thus, NT had sequestered some 4.4 Mg C ha −1 of carbon amounting to carbon sequestration rate of 0.2 Mg C ha −1 year −1 . IT, on the other hand, had depleted soil carbon by as much as 6.6 Mg C ha −1 , yielding a carbon depletion rate of 0.3 Mg C ha −1 year −1 . Assessment of the farmer's corn fi elds confi rmed these fi ndings. CO 2 emission from CT corn farming was similar to that of rubber agroforest and lower than IT corn farming. Based on carbon balance analysis, it can be concluded that corn crops in tropical rainfed agro-ecosystems were not in fact net emitters, and that NT was a better net sinker than other tillage methods.

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Section: Carbon Dioxide Emission At the Long-term Plotsupporting

confidence: 81%

Section: Carbon Dioxide Emission At the Long-term Plotmentioning

confidence: 84%

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Conservation Tillage Assessment for Mitigating Greenhouse Gas Emission in Rainfed Agro-Ecosystems

Utomo

2014

Sustainable Living With Environmental Risks

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Potential of legume-based cropping systems for climate change adaptation and mitigation

Rahman

Alam

Islam

et al. 2022

Advances in Legumes for Sustainable Intensification

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Soil nitrogen and carbon storages and carbon pool management index under sustainable conservation tillage strategy

Yuan

Liang²,

Zhuo³

et al. 2023

Front. Ecol. Evol.

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Agricultural practices are significant to increase the soil nitrogen and organic carbon sequestration to adapt and mitigate the climate change in a recent climate change scenario. With this background, we carried out research in the Longzhong Loess Plateau region of China. This research was conducted under a randomized complete block design, with three replicates. Adopt the method of combining outdoor positioning field test with indoor index measurement to explore the soil bulk density (BD), nitrogen components (viz., nitrate nitrogen (NO3−-N), ammonia nitrogen (NH4+-N), total nitrogen (TN), microbial biomass nitrogen (MBN) and nitrogen storage (NS), and carbon components [viz., soil organic carbon (SOC), easily oxidized organic carbon (EOC), microbial biomass carbon (MBC) and carbon storage (CS), carbon pool index (CPI), carbon pool activity (A) and carbon pool activity index (AI) and carbon pool management index (CPMI)] and C/N, ratio under different tillage practices [namely., conventional tillage (CT), no tillage (NT), straw mulch with conventional tillage (CTS) and straw mulch with no tillage (NTS)]. Our results depicted that different conservation tillage systems significantly increased soil BD over conventional tillage. Compared with CT, the NTS, CTS and NT reduced soil NO3−-N, increased the soil NH4+-N, TN, MBN and NS, among them, NS under NTS, CTS and NT treatment was 25.0, 14.8 and 13.1% higher than that under CT treatment, respectively. Additionally, conservation tillage significantly increased SOC, EOC, MBC, CS, CPI, AI, CPMI and C/N, ratio than CT. Inside, CS under NTS, CTS and NT treatment was 19.4, 12.1 and 13.4% higher than that under CT treatment, respectively. Moreover, during the 3-year study period, the CPMI under NTS treatment was the largest (139.26, 140.97, and 166.17). Consequently, we suggest that NTS treatment was more sustainable strategy over other investigated conservation tillage practices and should be recommended as climate mitigation technique under climate change context.

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Carbon Storage and Carbon Dioxide Emission as Influenced by Long-term Conservation Tillage and Nitrogen Fertilization in Corn-Soybean Rotation

Cited by 3 publications

References 0 publications

Conservation Tillage Assessment for Mitigating Greenhouse Gas Emission in Rainfed Agro-Ecosystems

Conservation Tillage Assessment for Mitigating Greenhouse Gas Emission in Rainfed Agro-Ecosystems

Potential of legume-based cropping systems for climate change adaptation and mitigation

Soil nitrogen and carbon storages and carbon pool management index under sustainable conservation tillage strategy

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