Short-Term Soil CO2 Emission and Soil Attributes Under Contrasting Sugarcane Cultivars

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorMoitinho, Mara Regina-
Autor(es): dc.creatorPadovan, Milton Parron-
Autor(es): dc.creatorda Silva Bicalho, Elton-
Autor(es): dc.creatorFerraudo, Antonio Sergio-
Autor(es): dc.creatorde Bortoli Teixeira, Daniel-
Autor(es): dc.creatorde Souza Bahia, Angélica Santos Rabelo-
Autor(es): dc.creatorPinheiro, Daniel Pereira-
Autor(es): dc.creatorVasquez, Llerme Navarro-
Autor(es): dc.creatorla Scala Jr., Newton-
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Descrição: dc.descriptionAgriculture is a great emission source of CO2 into the atmosphere, contributing significantly to the greenhouse effect. Considering the hypothesis that there are differences in soil carbon dynamics due to the distinct physiological and morphological characteristics of sugarcane cultivars, the aim of this study was to characterize the short-term soil CO2 emission associated with soil attributes in agricultural areas under cultivation of five sugarcane cultivars. The experiment was conducted in an area of high-clay Oxisol (Hapludox, USDA Soil Taxonomy) located at the Cerrado biome, Midwestern region of Brazil. Over the course of 20 days, ten measurements of soil CO2 emission (FCO2), soil temperature (Ts), and soil moisture (Ms) were carried out. Subsequently, soil samples were collected at a depth of 0–0.20 m to determine soil physical and chemical attributes. In timescale, FCO2, Ts, and Ms varied depending on the amount of straw produced by each cultivar. The cultivars RB935608, RB935744, and SP832847 induced a higher soil CO2 emission since they are associated with controlling factors of the primary CO2 production process (higher organic matter content and lower C/N ratio in the soil). Thus, strategies to reduce greenhouse gas emissions in agriculture, such as the choice of sugarcane cultivars that provide lower soil CO2 emissions, are essential to mitigate important environmental issues such as the global warming.-
Formato: dc.format1-11-
Idioma: dc.languageen-
Relação: dc.relationSugar Tech-
Relação: dc.relation0,441-
Direitos: dc.rightsopenAccess-
Palavras-chave: dc.subjectMultivariate analysis-
Palavras-chave: dc.subjectSaccharum spp.-
Palavras-chave: dc.subjectSoil attributes-
Palavras-chave: dc.subjectSoil respiration-
Título: dc.titleShort-Term Soil CO2 Emission and Soil Attributes Under Contrasting Sugarcane Cultivars-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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