Browsing by Subject "Cenizas volcánicas"
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(Instituto de Investigaciones Agropecuarias, 1988-04)Dehydrogenase and respiratory activities were studies in six soils, five of volcanic origin and the other alluvial, as a reference. Dehydrogenases activity was measured by the reduction of 2, 3, 5- Tryphenyl Tetrazolium ...
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(Chile, Instituto de Investigaciones Agropecuarias, 1976)Una de las propiedades fisico-químicas más notables de los suelos chilenos derivados de cenizas volcánicas, es su extraordinaria habilidad para adsorver aniones, especialmente fosfato (Alamos, et al., 1967; Appelt, 1974; ...