How to prevent soil salinization and sodification

FAO Global Soil Partnership

How to prevent soil salinization and sodification

Global Soil Doctors Programme

Year of publication 2021

Place of publication Rome, Italy ;

Pages 1

Author FAO Global Soil Partnership

Publisher FAO ;

Product type Infographic

Edition 1

Full item page

Synopsis (short abstract) This is one of a set of posters, the communication materials for farmers in "Soil Doctors Global Programme". The program is a farmer-to-farmer training programme and the poster will be used for farmers by farmers to teach and learn soil function and problems related to soils. This poster presents how to prevent soil salinization and sodification and is in line with the implementation of the Voluntary Guidelines for Sustainable Soil Management and to maintain healthy soils and food safety in accordance with the Sustainable Development Goals and the FAO’s Strategic Objectives.

Language English

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Salinization is the most severe threat to soils in the NENA region after soil erosion. Indeed, more than 11 percent of the region’s soils are affected by various levels of soil salinization Salinity has direct effects on the growth and development of plants. Sodic conditions may cause important deterioration of the soil physical properties, indirectly affecting crop growth via increased surface crusting, poor water infiltration, and reduced root zone aeration. The Voluntary Guidelines for Sustainable Soil Management (VGSSM) provide recommendations on how to prevent the development of salt-affected soils. If soils are already degraded and prevention is no longer an option, excess salts can be removed from the soil surface and the root zone using a variety of techniques. Under all conditions, the sustainable management of soil resources is key in preventing and combating salinization.