CO2 emission from soil under application of organic and mineral fertilizers under controlled conditions

Authors

  • Augusto Friederichs Universidade do Estado de Santa Catarina
  • Walter Santos Borges Junior Universidade do Estado de Santa Catarina
  • Diego Fernando Roters Universidade do Estado de Santa Catarina
  • Álvaro Luiz Mafra Universidade do Estado de Santa Catarina

DOI:

https://doi.org/10.22491/RAC.2019.v32n2.13

Keywords:

fertilization, manure, organic matter.

Abstract

Abstract – Swine production is fundamental in Brazil and it seeks suitable use for swine slurry (SS) in agricultural areas. The objective of this study was to evaluate the effects of SS and urea application, treated or not with nitrification inhibitor (DCD) and the way of fertilizer distribution, associated or not with crop residues, on CO2 emissions in a controlled environment. The soil used in this study was a Humic Dystrudept soil and daily and accumulated CO2 emissions were measured. Daily CO2 emissions increased with SS use. There was no difference considering the way the fertilizers were applied. The use of straw increased CO2 emissions. Accumulated CO2 emissions were higher under use of straw associated with SS.

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Author Biographies

Augusto Friederichs, Universidade do Estado de Santa Catarina

Engenheiro-agrônomo, M.sc., Universidade do Estado de Santa Catarina/CAV, Avenida: Luís de Camões, 2090, 88520-000, Lages – SC e-mail: augustofriederichs@hotmail.com

Walter Santos Borges Junior, Universidade do Estado de Santa Catarina

Graduando em Agronomia, Bolsista de iniciação científica CNPq, Universidade do Estado de Santa Catarina/CAV, e-mail: walter.junior@edu.udesc.br

Diego Fernando Roters, Universidade do Estado de Santa Catarina

Engenheiro-agrônomo, Doutorando em Ciência do Solo, Universidade do Estado de Santa Catarina/CAV, e-mail: diegoroters@gmail.com

Álvaro Luiz Mafra, Universidade do Estado de Santa Catarina

Engenheiro-agrônomo, Prof. Dr., Universidade do Estado de Santa Catarina/CAV, e-mail: alvaro.mafra@udesc.br.

Published

2019-06-07

How to Cite

Friederichs, A., Borges Junior, W. S., Roters, D. F., & Mafra, Álvaro L. (2019). CO2 emission from soil under application of organic and mineral fertilizers under controlled conditions. Agropecuária Catarinense Journal, 32(2), 86–91. https://doi.org/10.22491/RAC.2019.v32n2.13

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Section

Scientific article

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Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina - Epagri