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Revista bio ciencias
versión On-line ISSN 2007-3380
Resumen
CARNERO-LAZO, G.; HERNANDEZ-JIMENEZ, A.; TERRY-ALFONSO, E. y BOJORQUEZ-SERRANO, J. I.. Changes in organic carbon stocks in lixiviated red ferralitic soils from Mayabeque, Cuba. Revista bio ciencias [online]. 2019, vol.6, e564. Epub 02-Oct-2020. ISSN 2007-3380. https://doi.org/10.15741/revbio.06.e564.
This paper studies the change of Soil Organic Carbon (SOC) stocks in Lixiviated Red Ferralitic soils due to the change of land use, which is new for the province of Mayabeque and for Cuba. It starts from the results previously obtained when 38 soil profiles were characterized within a period between six and fourteen years. The sampling to determine SOC contents was conducted through the method of 100-cm3 volume cylinders, in triplicate. The comparison between both samplings allows to obtain SOC gains or losses. Results were achieved under four grove sites and three cultivated soils. Regarding soils under groves, SOC gains were evidenced in all cases, whereas in cultivated soils, SOC losses were obtained in two plots under intensive cultivation; however, such SOC losses were not recorded in the third plot where agroecological practices were carried out with the systematic application of organic manure. These results lay the foundations, from the environmental point of view, since they may be useful for the province of Mayabeque to analyze SOC status in Lixiviated Red Ferralitic soils, according to the map of land use, as well as to recommend the application of organic manures, avoiding SOC losses.
Palabras llave : Soil organic carbon; tropical soils; land use.