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dc.contributor.authorTEIXEIRA, S. T.
dc.contributor.authorWADT, P. G. S.
dc.contributor.authorPEREZ, D. V.
dc.contributor.authorBERTOTTI, F.
dc.contributor.authorKLIMAS, C.
dc.identifier.citationAmazonian Journal of Plant Research, v. 1, n. 2, p. 88-93, 2017.
dc.descriptionApplication of residuals to soil can favor the development of nutrient-poor agricultural areas. The objective of this study was to evaluate changes in the chemical attributes of soil after application of tannery sludge. The applied treatments were 1) Mineral control: 100 kg N ha-1 , applied in different stages (25% at planting and 75% when plant maize was in the 1.4 development stage); 2) tannery sludge: 50 kg ha ֿ¹; 100 kg ha ֿ¹; 200 kg ha ֿ¹; 400 kg ha ֿ¹; and 600 kg ha ֿ¹ of organic-N. All plots were treated with fertilizer (75 kg ha ֿ¹ P2O5 and 50 kg ha ֿ¹ K2O). In the mineral control, nitrogen was applied in ammonium sulphate form. Soil samples were analyzed to determinate pH, calcium, magnesium and aluminum in 1M KCl solution, potential acidity (hydrogen + aluminum in a calcium acetate solution pH 7), and potassium and sodium in a Mehlich 1 solution. The application of tannery sludge modified the chemical attributes of the soil, increasing pH and Na+ , Ca+2, and Mg+2 contents.
dc.subjectDisturbed areas
dc.titleChanges in chemical attributes of soil treated with tannery sludge in Amazonia.
dc.typeArtigo de periódico
dc.subject.nalthesaurussoil pollution
dc.contributor.institutionSandra T. Teixeira, Faculdades Fameta; PAULO GUILHERME SALVADOR WADT, CPAF-Rondonia; DANIEL VIDAL PEREZ, CNPS; Fabiane Bertotti, Instituto Nacional de Colonização e Reforma Agrária; Christie Klimas, University of Florida.
Appears in Collections:Artigo em periódico indexado (CPAF-RO)

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