• Behavior of free amino acids in soil 

        Author(s):Putnam, H. D.; Schmidt, E. L.; Paul, Eldor A.
        Date Issued:1960-03
        Format:born digital; articles
        The behavior of a mixture of amino acids in a soil environment was studied. Extractions were made with 80% ethanol. The extract was concentrated and then was analyzed for amino acids by gradient elution chromatography. ...