Assessing climate adaptation options for cereal-based systems in the eastern Indo-Gangetic Plains, South Asia
New farming systems and management options are needed in South Asia as the intensive rice–wheat production system is set to become increasingly unsustainable under climate change. In the current study, six cropping systems options/treatments varying in tillage, crop establishment method, residue man...
| Main Authors: | , , , , , , , , |
|---|---|
| Format: | Journal Article |
| Language: | Inglés |
| Published: |
Cambridge University Press
2019
|
| Subjects: | |
| Online Access: | https://hdl.handle.net/10568/106022 |
| _version_ | 1855535898553221120 |
|---|---|
| author | Tesfaye, Kindie Erenstein, Olaf Khatri-Chhetri, Arun Aggarwal, Pramod K. Mequanint, Fasil Shirsath, Paresh Bhaskar Stirling, Clare M Jat, Mangi Lal Rahut, Dil Bahadur |
| author_browse | Aggarwal, Pramod K. Erenstein, Olaf Jat, Mangi Lal Khatri-Chhetri, Arun Mequanint, Fasil Rahut, Dil Bahadur Shirsath, Paresh Bhaskar Stirling, Clare M Tesfaye, Kindie |
| author_facet | Tesfaye, Kindie Erenstein, Olaf Khatri-Chhetri, Arun Aggarwal, Pramod K. Mequanint, Fasil Shirsath, Paresh Bhaskar Stirling, Clare M Jat, Mangi Lal Rahut, Dil Bahadur |
| author_sort | Tesfaye, Kindie |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | New farming systems and management options are needed in South Asia as the intensive rice–wheat production system is set to become increasingly unsustainable under climate change. In the current study, six cropping systems options/treatments varying in tillage, crop establishment method, residue management, crop sequence and fertilizer and water management were evaluated using a cropping systems model under current (1980–2009) and future (2030 and 2050) climate scenarios in the state of Bihar, India. The treatments were current farmers’ practice (CP), best fertilizer and water management practices, zero tillage (ZT) with no crop residue retention, ZT with partial crop residue retention (ZTPR), future conservation agriculture-based rice–wheat intensive cropping system (FCS-1) and future conservation agriculture-based maize–wheat intensive cropping system (FCS-2). The results indicate that climate change is likely to reduce rice–wheat system productivity under CP by 4% across Bihar. All the crop management options studied increased yield, water productivity and net returns over that of the CP under the current and future climate scenarios. However, the ZTPR treatment gave significantly higher relative yield, lower annual yield variability and a higher benefit-cost-ratio than the other treatments across cropping system components and climate periods. Although all the new cropping system treatments had a positive yield implication under the current climate (compared to CP), they did not contribute to
adaptation under the future climate except FCS-2 in wheat. It is concluded that adaptation to future climate must integrate both cropping system innovations, and genetic improvements in stress tolerance. |
| format | Journal Article |
| id | CGSpace106022 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2019 |
| publishDateRange | 2019 |
| publishDateSort | 2019 |
| publisher | Cambridge University Press |
| publisherStr | Cambridge University Press |
| record_format | dspace |
| spelling | CGSpace1060222025-02-19T14:22:20Z Assessing climate adaptation options for cereal-based systems in the eastern Indo-Gangetic Plains, South Asia Tesfaye, Kindie Erenstein, Olaf Khatri-Chhetri, Arun Aggarwal, Pramod K. Mequanint, Fasil Shirsath, Paresh Bhaskar Stirling, Clare M Jat, Mangi Lal Rahut, Dil Bahadur climate change agriculture food security climate change adaptation cereals New farming systems and management options are needed in South Asia as the intensive rice–wheat production system is set to become increasingly unsustainable under climate change. In the current study, six cropping systems options/treatments varying in tillage, crop establishment method, residue management, crop sequence and fertilizer and water management were evaluated using a cropping systems model under current (1980–2009) and future (2030 and 2050) climate scenarios in the state of Bihar, India. The treatments were current farmers’ practice (CP), best fertilizer and water management practices, zero tillage (ZT) with no crop residue retention, ZT with partial crop residue retention (ZTPR), future conservation agriculture-based rice–wheat intensive cropping system (FCS-1) and future conservation agriculture-based maize–wheat intensive cropping system (FCS-2). The results indicate that climate change is likely to reduce rice–wheat system productivity under CP by 4% across Bihar. All the crop management options studied increased yield, water productivity and net returns over that of the CP under the current and future climate scenarios. However, the ZTPR treatment gave significantly higher relative yield, lower annual yield variability and a higher benefit-cost-ratio than the other treatments across cropping system components and climate periods. Although all the new cropping system treatments had a positive yield implication under the current climate (compared to CP), they did not contribute to adaptation under the future climate except FCS-2 in wheat. It is concluded that adaptation to future climate must integrate both cropping system innovations, and genetic improvements in stress tolerance. 2019-04 2019-12-05T15:08:39Z 2019-12-05T15:08:39Z Journal Article https://hdl.handle.net/10568/106022 en Limited Access Cambridge University Press Tesfaye K, Khatri-Chhetri A, Aggarwal PK, Mequanint F, Shirsath PB, Stirling CM, Jat ML, Rahut DB, Erenstein O. 2019. Assessing climate adaptation options for cereal-based systems in the eastern Indo-Gangetic Plains, South Asia. The Journal of Agricultural Science 157(3):189-210. |
| spellingShingle | climate change agriculture food security climate change adaptation cereals Tesfaye, Kindie Erenstein, Olaf Khatri-Chhetri, Arun Aggarwal, Pramod K. Mequanint, Fasil Shirsath, Paresh Bhaskar Stirling, Clare M Jat, Mangi Lal Rahut, Dil Bahadur Assessing climate adaptation options for cereal-based systems in the eastern Indo-Gangetic Plains, South Asia |
| title | Assessing climate adaptation options for cereal-based systems in the eastern Indo-Gangetic Plains, South Asia |
| title_full | Assessing climate adaptation options for cereal-based systems in the eastern Indo-Gangetic Plains, South Asia |
| title_fullStr | Assessing climate adaptation options for cereal-based systems in the eastern Indo-Gangetic Plains, South Asia |
| title_full_unstemmed | Assessing climate adaptation options for cereal-based systems in the eastern Indo-Gangetic Plains, South Asia |
| title_short | Assessing climate adaptation options for cereal-based systems in the eastern Indo-Gangetic Plains, South Asia |
| title_sort | assessing climate adaptation options for cereal based systems in the eastern indo gangetic plains south asia |
| topic | climate change agriculture food security climate change adaptation cereals |
| url | https://hdl.handle.net/10568/106022 |
| work_keys_str_mv | AT tesfayekindie assessingclimateadaptationoptionsforcerealbasedsystemsintheeasternindogangeticplainssouthasia AT erensteinolaf assessingclimateadaptationoptionsforcerealbasedsystemsintheeasternindogangeticplainssouthasia AT khatrichhetriarun assessingclimateadaptationoptionsforcerealbasedsystemsintheeasternindogangeticplainssouthasia AT aggarwalpramodk assessingclimateadaptationoptionsforcerealbasedsystemsintheeasternindogangeticplainssouthasia AT mequanintfasil assessingclimateadaptationoptionsforcerealbasedsystemsintheeasternindogangeticplainssouthasia AT shirsathpareshbhaskar assessingclimateadaptationoptionsforcerealbasedsystemsintheeasternindogangeticplainssouthasia AT stirlingclarem assessingclimateadaptationoptionsforcerealbasedsystemsintheeasternindogangeticplainssouthasia AT jatmangilal assessingclimateadaptationoptionsforcerealbasedsystemsintheeasternindogangeticplainssouthasia AT rahutdilbahadur assessingclimateadaptationoptionsforcerealbasedsystemsintheeasternindogangeticplainssouthasia |