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- Title
Influência da aplicação de dois resíduos industriais nas propriedades químicas de dois solos cultivados com café arábica.
- Authors
Nogueira, Natiélia Oliveira; Tomaz, Marcelo Antonio; Andrade, Felipe Vaz; dos Reis, Edvaldo Fialho; Batista Brinate, Sebastião Vinícius
- Abstract
The large amount of industrial waste which currently causes serious environmental problems has demonstrated the need for the appropriate use of those materials which not only reduce environmental impact but have shown potential for agricultural use. The aim of this study was to evaluate the chemical effects of different amounts of slag and magnesium oxide on two soils planted with coffea arabica. The study was carried out using pots of 10 dm3 in a greenhouse at the Center for Agrarian Sciences of the Federal University of Espirito Santo. The experimental design was of randomized blocks with a factorial distribution of 2 x 3 x 6, and three replications, the factors being: two soils (dystrophic red-yellow clay loam and dystrophic red-yellow medium-texture loam), three additives (limestone as control and slag and magnesium oxide as waste), six amounts of corrective materials (0; 25; 50; 75; 100 and 125% of the required liming). After 180 days of culture, analysis of pH, H+ + Al3+, Al3+, Ca2+ e Mg2+ was carried out. The results showed that applications of increasing doses of magnesium oxide and slag, up to the limit of this study, further a decrease in soil acidity. Magnesium oxide has shown the greatest potential for soil-acidity correction and also as a source of magnesium for the soil.
- Subjects
BRAZIL; INDUSTRIAL wastes; COFFEE; LOAM soils; MAGNESIUM oxide
- Publication
Revista Ciência Agronômica, 2012, Vol 43, Issue 1, p11
- ISSN
0045-6888
- Publication type
Article
- DOI
10.1590/S1806-66902012000100002