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Land suitability and capacity of use in Vale do Paraíba Paulista for the culture of Tectona grandis L.

Abstract

Reforestation with exotic species of high natural resistance to pests and diseases and the production of high quality wood for furniture and shipbuilding, such as teak (Tectona grandis L.), has become a profitable option for cultivation in regions previously considered unproductive. Thus, the study was conducted with the objective of evaluating the aptitude and the capacity of use of the lands of the Vale do Paraíba Paulista region for the implementation of teak forest cultivation through the Land Use Capability and the Agricultural Evaluation and Land Suitability System being used geological, geomorphological, pedological, climatic and mobility surveys, already carried out in the study region. The suitability and land use capacity of the Vale do Paraíba Paulista region indicate that local climatic conditions are favorable for commercial teak cultivation, and that the main limitations of soils are related to fertility, mechanization and erosion susceptibility. The Cambisols, Podzols and Gleysols present in the region are not indicated for the cultivation of the species because they have characteristics of soils not favorable to planting. Cultivation should be carried out in areas that present preferentially Oxisols followed by Ultisols, which should be managed under conservationist techniques of vegetative and mechanical character because they present characteristics susceptible to degradation. In general, there was great similarity between the classifications obtained by the methodologies used; however, interdisciplinary knowledge is necessary for an adequate interpretation of the limiting characteristics of the land for the proper agricultural use.