Browsing Turrialba by Subject "TAXONOMÍA (GESTIÓN DE LA INFORMACIÓN)"
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Aluminio activo en suelos derivados de cenizas volcánicas de Costa Rica y Guatemala
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1984-07)Active aluminum extracted with 0.2 M ammonium oxalate, pH 30, and 4 M KOH of 51 samples of Andepts of Costa Rica and Guatemala was quantified and compared. Acid-oxalate extractable alumimum varied from 0.02 to 5.45 while ...