Browsing Department of Crop Science by Author "United States Department of Agriculture"

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    • Keys to Soil Taxonomy 

      United States Department of Agriculture (United States Department of Agriculture: Natural Resources Conservation Service, 2006)
      The publication of this edition of Keys to Soil Taxonomy (the 10th edition) coincides with the 18th World Congress of Soil Science, to be held at Philadelphia, Pennsylvania, in July 2006. The last time the World Congress ...