Conservation agriculture impacts on soil carbon sequestration under a cotton (Gossypium hirsutum)-wheat (Triticum aestivum) system in the Indo-Gangetic plains
Despite many studies reporting conservation agriculture (CA) impacts on soil organic carbon (SOC) sequestration, the impacts of long-term permanent bed planting under CA on SOC sequestration are rarely reported. Hence, this study assessed the permanent bed planted CA impacts on SOC sequestration ra...
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Indian Council of Agricultural Research
2023-08-01
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| Series: | The Indian Journal of Agricultural Sciences |
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| Online Access: | https://epubs.icar.org.in/index.php/IJAgS/article/view/137522 |
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| author | ANN MARIA JOSEPH RANJAN BHATTACHARYYA T K DAS D K SHARMA PLABANI ROY S L JAT |
| author_facet | ANN MARIA JOSEPH RANJAN BHATTACHARYYA T K DAS D K SHARMA PLABANI ROY S L JAT |
| author_sort | ANN MARIA JOSEPH |
| collection | DOAJ |
| description |
Despite many studies reporting conservation agriculture (CA) impacts on soil organic carbon (SOC) sequestration, the impacts of long-term permanent bed planting under CA on SOC sequestration are rarely reported. Hence, this study assessed the permanent bed planted CA impacts on SOC sequestration rates in 0–30 and 30–60 cm soil depths under a cotton (Gossypium hirsutum L.)-wheat (Triticum aestivum L.) system in the Indo-Gangetic Plains (IGP). The treatments comprised diverse combinations of tillage and residue retention (R), viz. conventional tillage (CT), narrow bed, narrow bed + R, broad bed, broad bed + R, flat bed + R and flat bed. Results indicated that the total SOC stock was ~32, 31 and 29% higher in CA plots than in CT plots (farmers' practice), in 0–30 cm soil depth. The SOC sequestration rate (over CT plots) in the CA plots was ~0.76 Mg C/ha/yr. The broad bed + R, narrow bed + R and flat bed + R plots had appreciably high total SOC sequestration (~0.24 Mg C/ha/yr) compared to CT plots in deep soil layer (30–60 cm). The yield data (2-year mean basis) was recorded highest in the broad bed + R (3.48 tonnes/ha and 8.11 tonnes/ha for cotton and wheat, respectively) and flat bed + R (3.38 tonnes/ha and 8.46 tonnes/ha for cotton and wheat, respectively) treatments showing a positive impact of the adoption of long-term CA in the IGP. Thus, adopting raised beds with residue retention has great potential for higher carbon sequestration and improving yields and can be recommended for sustainable intensification of arable lands in the region.
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| first_indexed | 2024-03-12T12:17:10Z |
| format | Article |
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| institution | Directory Open Access Journal |
| issn | 0019-5022 2394-3319 |
| language | English |
| last_indexed | 2024-03-12T12:17:10Z |
| publishDate | 2023-08-01 |
| publisher | Indian Council of Agricultural Research |
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| series | The Indian Journal of Agricultural Sciences |
| spelling | doaj.art-ebe34fef53f94f0aa5abaf23c146b85d2023-08-30T11:18:29ZengIndian Council of Agricultural ResearchThe Indian Journal of Agricultural Sciences0019-50222394-33192023-08-0193810.56093/ijas.v93i8.137522Conservation agriculture impacts on soil carbon sequestration under a cotton (Gossypium hirsutum)-wheat (Triticum aestivum) system in the Indo-Gangetic plainsANN MARIA JOSEPH0RANJAN BHATTACHARYYA1T K DAS2D K SHARMA3PLABANI ROY4S L JAT5ICAR-Indian Agricultural Research Institute, Pusa, New Delhi 110 012, IndiaICAR-Indian Agricultural Research Institute, Pusa, New Delhi 110 012, IndiaICAR-Indian Agricultural Research Institute, Pusa, New Delhi 110 012, IndiaICAR-Indian Agricultural Research Institute, Pusa, New Delhi 110 012, IndiaICAR-Indian Agricultural Research Institute, Pusa, New Delhi 110 012, IndiaICAR-Indian Agricultural Research Institute, Pusa, New Delhi 110 012, India Despite many studies reporting conservation agriculture (CA) impacts on soil organic carbon (SOC) sequestration, the impacts of long-term permanent bed planting under CA on SOC sequestration are rarely reported. Hence, this study assessed the permanent bed planted CA impacts on SOC sequestration rates in 0–30 and 30–60 cm soil depths under a cotton (Gossypium hirsutum L.)-wheat (Triticum aestivum L.) system in the Indo-Gangetic Plains (IGP). The treatments comprised diverse combinations of tillage and residue retention (R), viz. conventional tillage (CT), narrow bed, narrow bed + R, broad bed, broad bed + R, flat bed + R and flat bed. Results indicated that the total SOC stock was ~32, 31 and 29% higher in CA plots than in CT plots (farmers' practice), in 0–30 cm soil depth. The SOC sequestration rate (over CT plots) in the CA plots was ~0.76 Mg C/ha/yr. The broad bed + R, narrow bed + R and flat bed + R plots had appreciably high total SOC sequestration (~0.24 Mg C/ha/yr) compared to CT plots in deep soil layer (30–60 cm). The yield data (2-year mean basis) was recorded highest in the broad bed + R (3.48 tonnes/ha and 8.11 tonnes/ha for cotton and wheat, respectively) and flat bed + R (3.38 tonnes/ha and 8.46 tonnes/ha for cotton and wheat, respectively) treatments showing a positive impact of the adoption of long-term CA in the IGP. Thus, adopting raised beds with residue retention has great potential for higher carbon sequestration and improving yields and can be recommended for sustainable intensification of arable lands in the region. https://epubs.icar.org.in/index.php/IJAgS/article/view/137522Carbon sequestration rate, Residue retention, Yield, Zero tillage |
| spellingShingle | ANN MARIA JOSEPH RANJAN BHATTACHARYYA T K DAS D K SHARMA PLABANI ROY S L JAT Conservation agriculture impacts on soil carbon sequestration under a cotton (Gossypium hirsutum)-wheat (Triticum aestivum) system in the Indo-Gangetic plains The Indian Journal of Agricultural Sciences Carbon sequestration rate, Residue retention, Yield, Zero tillage |
| title | Conservation agriculture impacts on soil carbon sequestration under a cotton (Gossypium hirsutum)-wheat (Triticum aestivum) system in the Indo-Gangetic plains |
| title_full | Conservation agriculture impacts on soil carbon sequestration under a cotton (Gossypium hirsutum)-wheat (Triticum aestivum) system in the Indo-Gangetic plains |
| title_fullStr | Conservation agriculture impacts on soil carbon sequestration under a cotton (Gossypium hirsutum)-wheat (Triticum aestivum) system in the Indo-Gangetic plains |
| title_full_unstemmed | Conservation agriculture impacts on soil carbon sequestration under a cotton (Gossypium hirsutum)-wheat (Triticum aestivum) system in the Indo-Gangetic plains |
| title_short | Conservation agriculture impacts on soil carbon sequestration under a cotton (Gossypium hirsutum)-wheat (Triticum aestivum) system in the Indo-Gangetic plains |
| title_sort | conservation agriculture impacts on soil carbon sequestration under a cotton gossypium hirsutum wheat triticum aestivum system in the indo gangetic plains |
| topic | Carbon sequestration rate, Residue retention, Yield, Zero tillage |
| url | https://epubs.icar.org.in/index.php/IJAgS/article/view/137522 |
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