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- Publications
- Influence
Soil Physical Characteristics Under Different Land Use Systems and Duration on the Colombian Savannas Caractéristiques physiques de sols des savanes de Colombie en fonction de leur mode de mise en…
- P. Guillermo, A. Mariana, Friesen, Dennis, SANZ José Ignacio
Soil structure is defined as the arrangement of soil particles and the pore space between them (Marshall, 1962) and can be defined in terms of pore size distribution, pore continuity and tortuosity… Expand
[Calcium, phosphorus, magnesium and phosphatase during labor and in the umbilical cord].
- A. Mariana, J. L. Heredia, O. Semino
- Chemistry, Medicine
- Revista de la Facultad de Ciencias Medicas…
- 1951