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Barreness and potential fertility of the tepetates (indurated volcanic soils) of Mexico

, : Barreness and potential fertility of the tepetates (indurated volcanic soils) of Mexico. El estudio del suelo y de su degradacion en relacion con la desertificacion Actas del 12 Congreso Latinoamericano de la Ciencia del Suelo, Salamanca, Sevilla Espana 19 a 26 de Septiembre de 1993: 783-789

The 'tepetates' are hardened and denuded horizons of eroded volcanic soils, occurring on the piedmont of the Sierra Nevada, Mexico. This paper deals with the physical and chemical constraints of the tepetates which hinder plant growth.

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Related references

Etchevers B.J.D.; Ferrera Cerrato, R., 1994: The fertility of the indurated volcanic soils: chemical and microbiological characteristics of the tepetates in Mexico. Indurated soils in arid areas have much more CaCO3 than soil in more humid areas, and higher pH, Ca, mg and K contents. All indurated volcanic soils have moderate to high exchangeable potassium, but low phosphorus availability. Organic matter cont...

Quantin, P.; Prat, C.; Zebrowski, C., 1993: Soil restoration and conservation from the tepetates indurated volcanic soils in the Mexico and Tlaxcala States (Mexico). Trials were conducted in small plots at four sites in the title regions to compare the behaviour of barren tepetates (volcanic soils with indurated horizons) with cultivated ones under various treatments. Average rainfall ranged from 600-800 mm/ye...

Elsass Francoise; Hidalgo Claudia; Quantin Paul, 1996: Mineralogy and texture of tepetates, indurated volcanic soil horizons of Mexico. Reunion Annuelle des Sciences de la Terre 16: 110

Fedoroff, N.; Courty, M.A.; Lacroix, E.; Oleschko, K., 1994: Calcitci accretion on indurated volcanic materials (example of tepetates, Altiplano, Mexico). Calcite accumulation in a Mexican Phaeozem is described. Formation of a hard, laminar crust on the top of the calcitic horizon has prevented subsequent erosion of the tepetates. Calcite accretion is independent of the two processes responsible for...

Servenay Alice; Prat Christian, 2000: Classification from Landsat TM of indurated volcanic materials (tepetates) of the Mexican neo-volcanique belt. Tepetates, altered indurated and sterile volcanic tuffs, are located among the neo-volcanic belt in central Mexico. They are divided into three classes according to the erosion level: outcrop tepetates, discontinuous tepetates (in process of erosi...

Hidalgo, C.; Etchevers, J.D.; Martinez-Richa, A.; Yee-Madeira, H.; Calderon, H.A.; Vera-Graziano, R.; Matus, F., 2010: Mineralogical characterization of the fine fraction 2 mu m of degraded volcanic soils and tepetates in Mexico. In Mexico, 70% of the land surface shows some degree of degradation. A substantial portion of these degraded soils are located in the central part of the country, where a high population density exerts unusual pressure on the land. The study of th...

Geissert, D., 1991: The 'tepetates' of Xalapa, Veracruz, (Mexico): a pedological induration in soils of volcanic origin. Chronology and effects on landform. The 'tepetates' (indurated horizons) of Xalapa, Mexico, are shown to result from the ferrallitic weathering of an andesitic basalt deposit of the Lower Pleistocene. Their development has been gradual and progressive and is manifested by...

Dubroeucq, D., 1991: The 'tepetates' of Xalapa, Veracruz, (Mexico): a pedological induration in soils of volcanic origin. Microscopy and mineralogy of the indurations. In the Xalapa region of Veracruz (Mexico), the indurated horizons known as 'tepetates' are shown to have developed in thick clayey mantles resulting from the ferrallitic alteration of andesitic basalt. Three or four superimposed horizons...

Hidalgo Claudia; Bertaux Jacques; Quantin Paul, 1995: Forms of silica in indurated volcanic soils of the Mexico Valley. Proceedings of the International Clay Conference 10: 487-493

Campos, A., 1991: The 'tepetates' of Xalapa, Veracruz, (Mexico): a pedological induration in soils of volcanic origin. Structure and transformation of the soil mantle. The term 'tepetates' in Mexico refers to indurated formations in usually sterile and eroded soils. Observations along a 100 m transect near Xalapa show that these compact, indurated horizons have developed in clayey, halloysitic ferralli...