Saline and Boron-Affected Soils

Authored by: R. Keren

Handbook of Soil Sciences Resource Management and Environmental Impacts

Print publication date:  November  2011
Online publication date:  November  2011

Print ISBN: 9781439803073
eBook ISBN: 9781439803080
Adobe ISBN:

10.1201/b11268-21

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Abstract

The history of agriculture has shown that irrigated agriculture cannot survive in perpetuity without adequate salt balance and drainage. The length of time that irrigated agriculture can survive without adequate drainage depends on hydrogeology and water management. Of the world’s cultivated lands, about 831 million hectares are saline (Martinez-Beltran and Manzur, 2005). Salt-affected soils occur in more than 100 countries of the world (Szabolcs, 1989). 67% of the agricultural area has a potential for “transient salinity,” a type of non-groundwater-associated salinity (Rengasamy, 2006).

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