3 documents found, page 1 of 1
Characterization of ornamental rock residue and potassium liberation via organi...
Mesquita, Luiz Felipe; Machado, Ramires Ventura; Andrade, Felipe Vaz; Passos, Renato Ribeiro; Ribeiro, Roberto Carlos da Conceição; Mendonça, Eduardo SáOrganic acids present in organic matter and, or, exudates by microorganisms and plants can increase the liberation of potassium present in minerals. The objective of this study was to characterize the residue from ornamental rocks and evaluate the release of K from these residues after the application of organic acids. The experiment was conducted under laboratory conditions and followed a 2 × 3 × 5 factorial d...
Fertility and organic matter compartments in soil under different management sy...
Machado, Luciana Ventura; Rangel, Otacílio José Passos; Mendonça, Eduardo de Sá; Machado, Ramires Ventura; Ferrari, Jéferson LuizThe soil organic matter is influenced by management adopted, and for this reason, considered an indicator of soil quality and sustainability of agroecosystems. The objective of this study was to evaluate the changes in soil fertility and different organic matter compartments of an Oxisol under different management systems of a coffee plantation area under influence of the Atlantic Forest located in the district...
Uso de escórias de siderurgia na produção de matéria seca e perfilhamento de du...
Stocco, Fernando Carlos; Passos, Renato Ribeiro; Andrade, Felipe Vaz; dos Reis, Edvaldo Fialho; de Souza Lima, Julião Soares; Santos, Danilo AndradeO objetivo deste estudo foi avaliar o uso de escórias de siderurgia sobre o desenvolvimento de Brachiaria decumbens e de Brachiaria brizantha cv. Marandu cultivadas em Latossolo da região Sul do Espírito Santo. Foram coletadas amostras de um Latossolo Vermelho-Amarelo distrófico em uma área sob pastagem degradada de Brachiaria sp. Após coletado, o material do solo foi seco ao ar e passado em peneira, para carac...