2016
DOI: 10.1590/0103-9016-2015-0174
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Abstract: The harvesting system of green sugarcane, characterized by mechanized harvesting and no crop burning, affects soil quality by increasing the remaining straw left on the soil surface after harvesting, thus, contributing to the improvement of physical, chemical, and microbiological soil attributes, influencing CO 2 fluxes. This study aimed to evaluate CO 2 fluxes and their relation to soil properties in sugarcane crops under different harvesting managements: burned (B), Green harvesting for 5 years (G-5) and Gre… Show more

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Cited by 8 publications
(6 citation statements)
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“…As for macroporosity, Tavares et al (2015;2016b) indicated that macroporosity and microporosity exhibit antagonistic behaviors, because macroporosity offers a less tortuous route to the CO 2 molecules, enabling the soil respiration in soil, as microporosity promotes lower linearity in the porous space and is associated with the most tortuous paths that hinder CO 2 transport from the soil to the atmosphere. Probably the joint action of good conditions and the decomposition of soil respiration caused by great temperature conditions, water content in the soil and microporosity favored high soil respiration.…”
Section: Discussionmentioning
confidence: 99%
“…As for macroporosity, Tavares et al (2015;2016b) indicated that macroporosity and microporosity exhibit antagonistic behaviors, because macroporosity offers a less tortuous route to the CO 2 molecules, enabling the soil respiration in soil, as microporosity promotes lower linearity in the porous space and is associated with the most tortuous paths that hinder CO 2 transport from the soil to the atmosphere. Probably the joint action of good conditions and the decomposition of soil respiration caused by great temperature conditions, water content in the soil and microporosity favored high soil respiration.…”
Section: Discussionmentioning
confidence: 99%
“…For example, La Scala Junior [ 33 ], Corradi [ 41 ], Teixeira [ 42 ] found direct correlations between soil moisture and CO 2 emissions under different conditions. Iamaguti [ 27 ], Karhu [ 43 ] and Tavares [ 44 ] observed a significant correlation between soil temperature and soil CO 2 emission. Moitinho [ 29 ] and Silva-Olaya [ 30 ] observed higher CO 2 emissions along days with rainfall events.…”
Section: Discussionmentioning
confidence: 99%
“…The equipment is a closed system with internal volume of 991 cm 3 , with soil contact area of 71.6 cm 2 and placed on PVC pipes previously inserted into the soil at 3 cm deep and in the green cane area, the PVC was installed after removing cane wastes. More details on the sampling protocol for the chamber fluxes can be found in Tavares et al (2016b).…”
Section: Soil Properties Observedmentioning
confidence: 99%
“…Part of the data of this study was used in the geostatistical analyses aiming to study CO 2 spatial and temporal variability (Tavares et al, 2016a). The principal component analysis (PCA) was used to identify the factors that explain the variance observed (Tavares et al, 2015;2016b). Other analytical tools were used to find approaches that were not previously detected, which can elucidate the process under study.…”
Section: Statistical Modelingmentioning
confidence: 99%