Spelling suggestions: "subject:"soils -- oregon -- phosphorus content"" "subject:"soils -- oregon -- aphosphorus content""
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Measurement of microbial biomass phosphorus in Oregon soilsClaycomb, Peter T. 21 April 1992 (has links)
Graduation date: 1992
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Effects of organic and inorganic soil amendments of phosphorus sorptionIyamuremye, Faustin 09 March 1994 (has links)
Graduation date: 1994
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