Browsing by Author "Pettry, D.E."
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- Selected soils of Madison County, Virginia: their chemical propertiesPettry, D.E.; Elder, J.H.; Grove, J.R. (Virginia Agricultural Experiment Station, 1974-08)Chemical properties of the common soils of Madison County are presented in this report
- Selected soils of Orange County, Virginia: their chemical propertiesPettry, D.E.; Carter, J.B. (Virginia Agricultural Experiment Station, 1975-07)Soil morphology and chemical properties of selected soils of Orange County, Virginia