Soil salinity under climate change:Challenges for sustainable agriculture and food security

Mukhopadhyay, R. and Sarkar, B. and Jat, H.S. and Sharma, P.C. and Bolan, N.S. (2021) Soil salinity under climate change:Challenges for sustainable agriculture and food security. Journal of Environmental Management, 280. ISSN 0301-4797

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Abstract

Soil salinity is one of the major and widespread challenges in the recent era that hinders global food security and environmental sustainability. Worsening the situation, the harmful impacts of climate change accelerate the development of soil salinity, potentially spreading the problem in the near future to currently unaffected regions. This paper aims to synthesise information from published literature about the extent, development mechanisms, and current mitigation strategies for tackling soil salinity, highlighting the opportunities and challenges under climate change situations. Mitigation approaches such as application of amendments, cultivation of tolerant genotypes, suitable irrigation, drainage and land use strategies, conservation agriculture, phytoremediation, and bioremediation techniques have successfully tackled the soil salinity issue, and offered associated benefits of soil carbon sequestration, and conservation and recycling of natural resources. These management practices further improve the socio-economic conditions of the rural farming community in salt-affected areas. We also discuss emerging reclamation strategies such as saline aquaculture integrated with sub surface drainage, tolerant microorganisms integrated with tolerant plant genotypes, integrated agro-farming systems that warrant future research attention to restore the agricultural sustainability and global food security under climate change scenarios. © 2020 Elsevier Ltd

Item Type:
Journal Article
Journal or Publication Title:
Journal of Environmental Management
Additional Information:
This is the author’s version of a work that was accepted for publication in Journal of Environmental Management. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Environmental Management, 280, 2021 DOI: 10.1016/j.jenvman.2020.111736
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2300/2308
Subjects:
ID Code:
150662
Deposited By:
Deposited On:
12 Jan 2021 15:00
Refereed?:
Yes
Published?:
Published
Last Modified:
22 Nov 2021 15:59