Salt-affected soils: field-scale strategies for prevention, mitigation, and adaptation to salt accumulation
2023
Ana Marta Paz | Esperanza Amezketa | Loredana Canfora | Nadia Castanheira | Gloria Falsone | Maria C. Gonçalves | Ian Gould | Biser Hristov | Marcello Mastrorilli | Tiago Ramos | Rodney Thompson | Edoardo A.C. Costantini
The area of salt-affected soils is increasing globally, mainly due to land use and management malpractices, which can threaten soil health and the sustainability of farms. Climate change is likely to increase the prevalence of salt-affected soils in many agricultural areas due to increased aridity and, in coastal areas, due to the increase in sea water level. The causes and processes that develop salt-affected soils are diverse and can result in soil salinity, sodicity, alkalinity, or a combination of these conditions. There is a need to continuously update strategies to tackle salt-affected soils, finding solutions tailored at different scales. This work presents a review of the current knowledge related to salt-affected soils and identifies specific strategies and related case studies for the prevention, mitigation, and adaptation to salt accumulation in soils at the field scale while addressing their limitations, advantages, research needs, and innovation potential. The presented case studies show that adequate irrigation management and drainage can be used as a preventive measure to counter salt accumulation in soils. Phyto and bioremediation can be effective practices for the mitigation of soil sodicity. Leaching and drainage can be effective measures for mitigation of soil salinity. Crop rotation and management of soil organic matter can be used as adaptative measures that improve plant tolerance to salt-affected soils, while a newer approach, microbial management, shows innovation potential as an adaptative measure.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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