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Mapping of salt-affected soils – Technical manual











Omuto CT, Vargas RR, El Mobarak, AM, Mohamed N, Viatkin K, Yigini Y. 2020. Mapping of salt-affected soils: Technical manual. Rome, FAO 




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    Booklet
    Lesson 1 – Requirements and preparation for national mapping of salt-affected soils
    Global Soil Salinity Map (GSS map)
    2020
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    This Lesson is the first step of the capacity-building program, which is designed to build nation capacities as well as harmonize procedures for developing information of salt-affected soils at the national and global levels. The overall goal of this Lesion is to support participants in preparing input data and computing requirements for assessing salt-affected soils at the national level. At the end of the lesson, the participants are expected to have well-developed operational database and tools for mapping salt-affected soils in their countries.
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    Booklet
    Mapping of Salt-affected Soils - Technical Specifications and Country Guidelines 2020
    Also available in:

    This Lesson is the first step of the capacity-building program, which is designed to build national capacities as well as harmonize procedures for developing information of salt-affected soils at the national and global levels. The overall goal of this lesson is to support participants in preparing input data and computing requirements for assessing salt-affected soils at the national level. At the end of the lesson, the participants are expected to have well-developed operational database and tools for mapping salt-affected soils in their countries.
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    Booklet
    Global Symposium on Salt-Affected Soils: Outcome document 2022
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    The GSAS21 was held virtually on the Zoom platform on 20-22 October 2021 and was attended by over 4 000 participants. The objective of the symposium was to combine science, policy, and practice to evaluate the issues related to salt-affected soils and to formulate a strategy for the implementation of Voluntary Guidelines for Sustainable Soil Management in the areas affected by salinity and sodicity. The GSAS21 symposium was structured around three main themes focusing on: 1) Assessment, mapping, and monitoring of salt-affected soils; 2) Integrated soil – water – crop solutions in rehabilitation and management of salt-affected areas; 3) Agenda for action to prevent and rehabilitate salt-affected soils, protect natural saline and sodic soils, and scale-up sustainable soil management practices. The fourth session on testimonies from the field was organized to showcase the good practices illustrating the rehabilitation and sustainable use of salt-affected soils. The symposium included more than 70 oral presentations, presented over 17 hours of parallel sessions. Recordings of the presentations can be accessed via . In addition, 58 posters were open for public voting during the GSAS. Over 67 000 votes have been received which helped identify three winners of the poster session. The posters are available from . The recommendations presented in this document aim to support decision-making and innovative actions to minimize the challenges posed by soil salinity and sodicity, thereby assisting in the augmentation of global food security and ecosystem protection through salt-affected soils management in impacted regions.

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