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Carbon and Nitrogen Stocks and Humic Fractions in Brazilian Organosols Rev. Bras. Ciênc. Solo
Valladares,Gustavo Souza; Pereira,Marcos Gervasio; Benites,Vinícius de Melo; Anjos,Lúcia Helena Cunha dos; Ebeling,Adierson Gilvani; Guareschi,Roni Fernandes.
ABSTRACT Despite limited geographic expression of Organosols in Brazil, their high carbon storage capacity and natural environmental vulnerability justifies further studies on C and N stocks in these soils and their relationship to the nature of organic matter. Evaluation of physical and chemical properties of organic soils and their ability to store C is important so as to develop sustainable management practices for their preservation. The objectives of the study were to measure the total organic carbon stock (OCst), total nitrogen stock (Nst), and humic fractions in Organosols from different environments and regions of Brazil, and to correlate the data with soil chemical (pH, P, K, Ca2+, Mg2+, Al3+, H+Al, CEC, V) and physical properties (soil bulk...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Soil organic matter; Humic substances; Histic horizon; Physical and chemical properties.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832016000100425
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