Listar Agronomía Costarricense 38(1) por autor "7f7f021d-b0f8-4f0a-82cd-d537da11c7a0"
Mostrando ítems 1-3 de 3
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Clay minerals identified in soils of Costa Rica from 1931 to 2014: I. History, methods of analyses, and mayor clay types found in volcanic ash derived soils
Alvarado Hernández, Alfredo; Mata Chinchilla, Rafael; Chinchilla, Miguel (2014-07-04)Findings in a total of 84 research papers identifying clay minerals on 520 soil samples of Costa Rica are summarized. This review emphasizes on the clay minerals described in the topsoil samples, although clay minerals in ... -
Clay minerals identified in soils of Costa Rica from 1931 to 2014: II. Major clay types described in soils with vertic, and oxidic-kaolinic properties
Alvarado Hernández, Alfredo; Mata Chinchilla, Rafael; Chinchilla, Miguel (2014-07-04)This paper summarizes available information on soil clay mineralogy in topsoils of Costa Rica, including clay minerals described in B horizons when significantly different from predominant mineralogy in the topsoil. The ... -
Foliar nutrient concentration in teak plantations at the Panama Canal watershed
Murillo Cruz, Rafael; Alvarado Hernández, Alfredo; Mark Verjans, Jean (2014-07-04)Foliar concentration of macro- and micronutrients in teak plantations at the Panama Canal Watershed was measured on sites classed as high, medium, and low in growth (volume.ha -1 ). For the same purpose, plantations where ...