Characteristics of three profiles of red lixiviated ferallític soils under natural forest conditions
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Abstract
Ferralitic soils extend about 195 000 Ha in Havana province; the Red Lixiviated Ferralitic type is the most important one into this group of soils, because it represents the most extensive agriculture fund for the food production in Cuba. As these soils have been continuously cultivated for a very long time, lacks of their fertility and some changes in their principal properties have taken place, so it becomes important to study and characterize soils without these affectations in order to establish technical references (i. e.: pattern soil profiles) useful for the observation of cultivated soils transformations, because of agricultural activity. So, chemical and physical properties of three soil profiles, placed in forest and non-cultivated conditions, were evaluated to get information about their behavior, in natural or non-disturbed regime. The soil profiles were located in Havana (Agricultural Research National Institute/INCA) and Havana City (Tropical Agriculture Research Institute/INIFAT) Cuban provinces. Results show high contents of organic matter, low dispersion factor and bulk density; soils also have good structure and friable consistence, which means high productivity conditions. Evidence of gleyzation process was also observed.
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