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Book: Soil Science Step-by-Step Field Analysis
Published by: Soil Science Society of America

 

This chapter in SOIL SCIENCE STEP-BY-STEP FIELD ANALYSIS

  1.  p. 183-200
     
    Soil Science Step-by-Step Field Analysis

    Sally Logsdon, Dave Clay, Demie Moore and Teferi Tsegaye (ed.)

    ISBN: 978-0-89118-856-8

     
    Published: 2008


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doi:10.2136/2008.soilsciencestepbystep.c14

Problems in Production Fields—Saline and Sodic Soils

  1. Tom M. DeSutter
  1. Dep. of Soil Science, Walster Hall North Dakota State University Fargo, ND 58105 (thomas.desutter@ndsu.edu)

Summary

Summary

Soils high in soluble salts can be very difficult to manage and remediate. Salt-affected soils are grouped into four categories: 1) saline, 2) sodic, 3) saline–sodic, and 4) normal. This chapter describes these four classes of salt-affected soils and introduces methodologies that are used to identify and manage these problem soils. You will learn: 1) the definitions and criterion for salt-affected soils; 2) field and laboratory methods to diagnose salinity and sodicity of soil; 3) impacts of these soils on crop productivity; and 4) methods for managing these soils. Although total remediation of salinity and sodicity may not be possible,this chapter outlines some traditional and alternative approaches for diagnosing salt-affected soils and for increasing crop production on fields negatively affected by salts.

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