Data/hora: 17/06/2024 03:27:53

Provedor de dados: 	64	
País: 	Brazil	
Título: 	Soil maps, field knowledge, forest inventory and Ecological-Economic Zoning as a basis for agricultural suitability of lands in Minas Gerais elaborated in GIS	
Autores: 	Silva,Vladimir Antonio; Curi,Nilton; Marques,João José Granate; Carvalho,Luis Marcelo Tavares de; Santos,Walbert Júnior Reis dos.	
Data: 	2013-12-01	
Ano: 	2013	
Palavras-chave: 	Geoprocessing; Land suitable for agriculture; Sustainability; Multicriteria analysis.	
Resumo: 	Lands (broader concept than soils, including all elements of the environment: soils, geology, topography, climate, water resources, flora and fauna, and the effects of anthropogenic activities) of the state of Minas Gerais are in different soil, climate and socio-economics conditions and suitability for the production of agricultural goods is therefore distinct and mapping of agricultural suitability of the state lands is crucial for planning guided sustainability. Geoprocessing uses geographic information treatment techniques and GIS allows to evaluate geographic phenomena and their interrelationships using digital maps. To evaluate the agricultural suitability of state lands, we used soil maps, field knowledge, forest inventories and databases related to Ecological-Economic Zoning (EEZ) of Minas Gerais, to develop a map of land suitability in GIS. To do this, we have combined the maps of soil fertility, water stress, oxygen deficiency, vulnerability to erosion and impediments to mechanization. In terms of geographical expression, the main limiting factor of lands is soil fertility, followed by lack of water, impediments to mechanization and vulnerability to erosion. Regarding agricultural suitability, the group 2 (regular suitability for crops) is the most comprehensive, representing 45.13% of the state. For management levels A and B, low and moderate technological level, respectively, the most expressive suitability class is the regular, followed by the restricted class and last, the adequate class, while for the management level C (high technological level) the predominant class is the restricted. The predominant most intensive use type is for crops, whose area increases substantially with capital investment and technology (management levels B and C).	
Tipo: 	Info:eu-repo/semantics/article	
Idioma: 	Inglês	
Identificador: 	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542013000600007	
Editor: 	Editora da Universidade Federal de Lavras	
Relação: 	10.1590/S1413-70542013000600007	
Formato: 	text/html	
Fonte: 	Ciência e Agrotecnologia  v.37 n.6 2013	
Fonte: 	info:eu-repo/semantics/openAccess