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- W2340469712 abstract "SUMMARY : BEHAVIOR OF DIFFERENT MANAGEMENT SYSTEMS AS ASOURCE OR SINK OF C-CO 2 IN RELATION TO CERRADO TYPEVEGETATION Carbon storage and its distribution in the profile of clayey Oxisols were studied toevaluate the role of the soil as a sink or source of atmospheric CO 2 in the center of thecerrado region, Federal District, Brazil. Evaluations were carried out in six differentmanagement systems: a native cerrado type vegetation (CE), eucalypt reforestation (EU),introduced pasture (PA), heavy disk harrow tillage (GP), disk plow tillage (AD), no-tillage(PD), all of them having been established for more than twelve years. Organic carbon wasanalyzed in soil samples taken at a 100 cm depth. Carbon storage in all other fiveagroecosystems was compared to CE in order to analyze soil behavior as a source or sink ofC-CO 2 . The main important dynamic features related to C, such as additions and losses,were observed in the upper soil layers. Compared with CE, the agroecosystems without soildisturbance like PD, PA and EU showed higher carbon accumulation, thus working as asoil sink for atmospheric C-CO" @default.
- W2340469712 created "2016-06-24" @default.
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- W2340469712 date "1999-01-01" @default.
- W2340469712 modified "2023-09-27" @default.
- W2340469712 title "COMPORTAMENTO DE DIFERENTES SISTEMAS DE MANEJO COMO FONTE OU DEPÓSITO DE CARBONO EM RELAÇÃO À VEGETAÇÃO DE CERRADO (1)" @default.
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