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Cultivos Tropicales
Print version ISSN 0258-5936
Abstract
VIVANCO, J. C et al. CARACTERÍSTICAS DE LOS PRINCIPALES SUELOS DE LA CUENCA DEL RÍO MOLOLOA, TEPIC, NAYARIT, MÉXICO. cultrop [online]. 2010, vol.31, n.1, pp. 00-00. ISSN 0258-5936.
Mololoa river basin has an area of 56 937 hectares and represents a socially, environmentally and agroproductively significant region for Tepic city, the capital of Nayarit state. In recent years, some edaphological investigations have been performed in this region and the following soil referential groups have been reported: Andosols, Alisols, Luvisols, Cambisols, Phaeozems, Regosols, Leptosols, Gleysols and Fluvisols. This work provides characteristics of the main soils (Andosols, Alisols, Luvisols, Phaeozems, Regosols and Gleysols), emphasizing Andosols and Alisols, two of the most important basin soils, which are different in their genesis and properties, essentially due to soil formation conditions. In case of Andosols, they are recently-formed AC profile soils from quaternary deposits of pumice stone and some ash of San Juan volcano, whereas Alisols are highly-evolved ABtC profile soils formed in ancient and steady reliefs from quaternary basic rock materials of Sangangüey volcano.
Keywords : Nayarit; watersheds; soil types; soil genesis; andosols.