Chinese Science Bulletin · 2004 · 49 citations · 1 references
AgricultureEarth SciencesSoil SciencesSoil ClassificationSoil ScienceInternational Soil Classification SystemsSoil Great GroupsSoil TaxonomyChinese Soil TaxonomyReference BenchmarksReference Soil GroupsSoil Classification CriteriaSoil Classification SystemsSoil Taxonomic ClassificationSoil Taxonomy CriteriaTaxonomic Soil Criteria
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Geography and the Soils of China
W. Elmer Ekblaw, James Thorp · Economic Geography · 1937 · 30 citations