author = "Silva Neto, Eduardo Carvalho da and Pereira, Marcos Gervasio and 
                         Frade J{\'u}nior, Elilzio Ferreira and Silla, Sandra Bezerra da 
                         and Carvalho J{\'u}nior, Jo{\~a}o Andrade and Santos, Jos{\'e} 
                         Carlos dos",
          affiliation = "{Universidade Federal Rural do Rio de Janeiro (UFRRJ)} and 
                         {Universidade Federal Rural do Rio de Janeiro (UFRRJ)} and 
                         {Universidade Federal do Acre (UFAC)} and {Universidade Federal do 
                         Acre (UFAC)} and {Universidade Estadual Paulista (UNESP)} and 
                         {Instituto Nacional de Pesquisas Espaciais (INPE)}",
                title = "Temporal evaluation of soil chemical attributes after 
                         slash-and-burn agriculture in the Western Brazilian Amazon",
              journal = "Acta Scientiarum Agronomy",
                 year = "2019",
               volume = "41",
               number = "e42609",
             keywords = ":amazonian agroecosystem, soil fertility, cycling of nutrients, 
                         soil management, Brasil.",
             abstract = "In Amazonia, the main causes of deforestation are systems based on 
                         slash-and-burn agriculture. The objective of this work was to 
                         evaluate temporal changes in the soil chemical attributes after 
                         the vegetation has been slashed and burned in an area of native 
                         forest in the Western Amazon. For this study, four hectares of 
                         forest in Cruzeiro do Sul, State of Acre, Brazil, was slashed and 
                         burned. The soil in the study area was classified as Ultisol 
                         (Argissolo Amarelo Distreifico tipico). Soil samples were 
                         collected over the course of one year, the first one being 
                         collected 16 hours after the burn and the others at 30, 60, 90, 
                         150, 210, 270, and 360 days after the burn. The soil surface 
                         layers were more sensitive to fire action. Ashes from vegetation 
                         burn increased pH values, basic cations, and C values only in the 
                         first months, resulting in higher basal saturation values (V%). 
                         The practice of slash-and-burn after 12 months resulted in lower 
                         values of pH, Ca, Mg, K, and P and higher values of Al and H, as 
                         well as saturation by aluminum in the soil, indicating this 
                         practice contributes to the reduction of soil fertility.",
                  doi = "10.4025/actasciagron.v41i1.42609",
                  url = "http://dx.doi.org/10.4025/actasciagron.v41i1.42609",
                 issn = "1679-9275",
             language = "en",
           targetfile = "neto_temporal.pdf",
        urlaccessdate = "02 dez. 2020"