Page 162 - E-BOOK

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Soil Survey Staff. 1975. Soil Taxonomy, A Basic System of Soil Classification for Making and Inter

preting Soil Surveys. United States Department of Agriculture, U.S. Govt.
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Soil Survey Staff. 1999. Soil Taxonomy, A Basic System of Soil Classification for Making and

Interpreting Soil Surveys, 2nd ed. Natural Resources Conservation Service, United
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ISSS Working Group RB. 1998. World Reference Base for Soil Resources: Introduction
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IUSS Working Group WRB. 2014. World Reference Base for Soil Resources 2014. International
soil classification system for naming soils and creating legends for soil maps. World
Soil Resources Reports No. 106. FAO, Rome.

IUSS Working Group WRB. 2015. World Reference Base for Soil Resources 2014, update 2015.
International soil classification system for naming soils and creating legends for soil
maps. World Soil Resources Reports No. 106. FAO, Rome.

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