Search Results - "andesite"

Efecto de la humedad sobre la mineralización del carbono en suelos volcánicos de Costa Rica by Blasco, M.

“…Soils derived from volcanic ashes (basaltic-andesitic materials from the Irazú and to Turrialba volcanoes) used in this study are located on the slopes of the Cordillera Central and the Meseta Central of Costa Rica. …”
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El nitrógeno en los suelos derivados de cenizas volcánicas del Altiplano de Pasto, Colombia by Molina A, Cruz E., BLASCO L, M.

“…The rock types and pyroclastic materials are of andesitic-dacitic composition. The volcanic ash soils studied have adequate amounts of total-N (about 4,000 ppm) and organic-N (95 per cent of total-N). …”
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Andisol formation in a holocene beach ridge plain under the humid tropical climate of the Atlantic Coast of Costa Rica by Nieuwenhuyse, A., Jongmans, A.G., Breemen, N. van, CATIE – Centro Agronómico Tropical de Investigación y Enseñanza, Turrialba, Costa Rica. Atlantic Zone Programme, Agricultural University Wageningen, Wageningen (Países Bajos), Ministerio de Agricultura y Ganadería, San José (Costa Rica) [MAG]

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Landscape-scale variation in the structure and biomass of the hill dipterocarp forest of Sumatra: Implications for carbon stock assessments by Laumonier, Y., Kanninen, M., Munandar, A.W.

“…The number of stems was low, but the average tree diameterwas larger onthe nutrient-rich youngvolcanic andesitic soils. Landscape-scale variability of forest structure and dynamics was considerable. …”
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Redistribution of trace elements upon the weathering of volcanic ash soils in Costa Rica by Plantinga, M.J.

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