Listar Química por autor "Alvarado, A."
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Organic Carbon Determination by the Walkley-Black and Dry Combustion Methods in SurfaceSoils and Andept Profiles from Costa Rica
Bornemisza Steiner, Elemer; Constenla Umaña, Manuel Arturo; Alvarado, A.; Ortega, J.; Vasquez, J. (1979-01)The efficiency of oxidation of organic C by the Walkley-Black method was studied by comparing with determinations using dry combustion equipment and gravimetric determination for the evolved CO2. Fifty surface soils (0-30 ...