Rural settlements in Brazil were created in order to confront pressures and are characterized by the lack of planning prior to the diagnosis and implementation of the natural resources related to land suitability evaluation, distribution of classes such as topography, rivers system, vegetation, and support mechanisms.
Résultats de la recherche
Showing items 1 through 9 of 4.-
Library ResourceArticles et Livresdécembre, 2010Brésil
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Library ResourceArticles et Livresdécembre, 2004Brésil
The vegetation cover plays a key role in protection and conservation of natural resources, particularly concerning soils. This study had as objective to analyze space and time dimensions of anthropic influence on the vegetation cover in part of the semi-arid region of the Ceará State, Brazil. LANDSAT TM-5 satellite images of 1985 and 1994 combined with geoprocessing techniques were used to verify the hypothesis of intensification of environmental degradation. Maps of the vegetation cover, land use, soils, and hydrography were elaborated.
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Library ResourceArticles et Livresjanvier, 2007Brésil
O objetivo deste trabalho foi quantificar o armazenamento, a disponibilidade e a extração de água no solo por plantas de milho irrigadas e submetidas a déficit hídrico terminal, cultivadas sob sistema de semeadura direta e preparo convencional. Foram realizados dois experimentos durante os anos agrícolas de 1999/00 e 2000/01, em área experimental do Departamento de Engenharia Rural da Universidade Federal de Santa Maria. Utilizou-se o delineamento experimental inteiramente casualizado, fatorial, com quatro repetições.
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Library ResourceManuels et directivesfévrier, 2017Brésil
A ciência do solo e a agricultura urbana
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