2017
DOI: 10.1590/1983-21252017v30n103rc
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Organic Matter Labile Fractions and Carbon Stocks in a Typic Quartzipsamment Cultivated With Sugarcane Harvested Without Burning

Abstract: -The permanence of sugarcane straw on the soil surface, in systems without the pre-harvest straw burning practice, directly affects the soil organic matter dynamics. The objective of this work was to evaluate the changes in total organic carbon (TOC), carbon in the light organic matter (CLOM) and particulate organic carbon (POC), and their carbon stocks in a typic Quartzipsamment cultivated for nine years with sugarcane crops, which were conducted without the pre-harvest straw burning practice, in Paraipaba, S… Show more

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Cited by 5 publications
(2 citation statements)
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“…Loss et al (2010) also found the highest CLOM values at a depth of up to 10 cm, for areas under Forest-pasture System, indicating a more complex organic material for decomposition. According to Oliveira Filho et al (2017), the high similarity between CMOL and Total Carbon (TC) may explain the low response of CMOL in identifying changes in Organic Matter (OM) between the areas assessed, in addition to indicating a high dependence on CMOL in the content fraction of TC.…”
Section: Carbon and Nitrogen Stocksmentioning
confidence: 99%
“…Loss et al (2010) also found the highest CLOM values at a depth of up to 10 cm, for areas under Forest-pasture System, indicating a more complex organic material for decomposition. According to Oliveira Filho et al (2017), the high similarity between CMOL and Total Carbon (TC) may explain the low response of CMOL in identifying changes in Organic Matter (OM) between the areas assessed, in addition to indicating a high dependence on CMOL in the content fraction of TC.…”
Section: Carbon and Nitrogen Stocksmentioning
confidence: 99%
“…One of the more specific ways of assessing total organic carbon (TOC), and consequently the effect of land use and management practices on soil quality is related to the evaluation of the light organic matter (LOM). LOM is the active fraction in the soil, composed of organic residues at different decomposition stages, and can vary rapidly with changes in soil management, depending on the recalcitrance of the original material, and influence the soil chemical quality [13]. LOM can be considered as accelerated dynamics in the soil, among SOM compartments [14].…”
Section: Introductionmentioning
confidence: 99%