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Nutrient Relations Of Some Northern Minnesota Forest Communities, Richard H. Bares
Nutrient Relations Of Some Northern Minnesota Forest Communities, Richard H. Bares
Theses and Dissertations
Quantitative information on chemical and physical properties of soils under aspen and jack pine and chemical properties of peat and water under black spruce and tamarack, is limited. The present study quantifies soil particle size, electrical conductivity (E.C.), water soluble and replaceable calcium (Ca) , magnesium (Mg), potassium (K), sodium (Na) , manganese (Mn) and strontium (Sr) concentrations in soils under aspen and jack pine communities. Aspen was found on alkaline clay soils with high Ca and Mg concentrations, and jack pine grew on wel1-drained, acidic, sandy clay loams high in Mn. Organic soils under peat and tamarack were analyzed …
The Cryptogamic Flora Of Desert Soil Crusts In Southern Utah, Davic C. Anderson
The Cryptogamic Flora Of Desert Soil Crusts In Southern Utah, Davic C. Anderson
Theses and Dissertations
The cryptogamic flora of several soil crusts of arid regions in southern Utah was determined. Twenty-two lichens, Six mosses and fifty-four algal species were identified and their relative abundance estimated.