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Impacts of agricultural activities in remaining forest: Campinas/SP, Brazil
(2013-05-28)
Forest fragmentation occurs normally in an area around the city or with high agricultural influence, such as the Forest of Quilombo that lies in Metropolitan Campinas/SP- Brazil. This forest is one such example since it ...
Physicochemical effects of long-term deposition of sewage sludge on Brazilian Oxisol
(Wit Press, 2015-01-01)
The aim of this work was to evaluate the effect of doses of sewage sludge (SS) when applied for sixteen consecutive years to the Brazilian Oxisols Typic Haplothox (sandy) and Typic Eutrorthox (clayey), on the chemical ...
Modeling and identification of fertility maps using artificial neural networks
(2000-12-01)
The application of agricultural fertilizers using variable rates along the field can be made through fertility maps previously elaborated or through real-time sensors. In most of the cases applies maps previously elaborated. ...
Lógica fuzzy na avaliação da fertilidade do solo e produtividade do café conilon
(Univ Federal Ceara, Dept Geol, 2010-01-01)
The objective of this study was to analyze, using the geoestatistic and a system of classification fuzzy, the fertility of an experimental area with base in chemical attributes of the soil and its relationship with the ...
Experimental investigation of soil and groundwater impacts caused by vinasse disposal
(1991-12-01)
The problems caused by the residual effluents of wine distilleries for alcohol production are well known. The effluent effects in soil and groundwater are being researched in an area with sugar cane culture which receives, ...
Manejo intensivo de pastagens e produtividade leiteira.
(In:SEMANA DO ESTUDANTE, 13.,1999, Sao Carlos,SP.Utilizacao de forrageiras para intensificacao da producao de carne e leite-anais.Sao Carlos:Embrapa Pecuaria Sudeste,1999.p.20-29. Editado por Rogerio T.Barbosa, Armando A. Rodrigues, Eli Schifller, Luciano A. Correa, Sergio Esteves, 1999)
Extra̧ão de Macro e Micronutrientes Pela Parte Aérea de Erva-Doce EM Fuņão de Calagem e Aduba̧ão com Esterco de Cama de Frango
(2002-02-27)
A greenhouse experiment was conducted in the Soil Science Department of the Botucatu College of Agricultural Sciences (UNESP), Brazil, using a Dark Red Latosol in 25 L pots. The soil was limed to 50 and 70% of base saturation; ...