Abstract
Salt-affected soils occupy nearly 20% of irrigated area worldwide [1]. As a major category of salt-affected soils, sodic and saline-sodic soils are characterized by the occurrence of sodium (Na+) at levels that result in poor physical properties and fertility problems, thereby threatening agricultural productivity in many arid and semi-arid regions. Amelioration of these soils is driven by providing a soluble source of calcium (Ca2+) to replace excess Na+ on the cation exchange complex [2]. The displaced Na+ is either leached from the root zone by excess irrigation, a process that requires soil permeability and provision of a natural or artificial drainage system, or is taken up by crops.
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Qadir, M., Oster, J.D., Schubert, S., Murtaza, G. (2006). Vegetative bioremediation of sodic and saline-sodic soils for productivity enhancement and environment conservation. In: Öztürk, M., Waisel, Y., Khan, M.A., Görk, G. (eds) Biosaline Agriculture and Salinity Tolerance in Plants. Birkhäuser Basel. https://doi.org/10.1007/3-7643-7610-4_15
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DOI: https://doi.org/10.1007/3-7643-7610-4_15
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