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Comportamento do cobre em solos cultivados com cana de acúcar

The copper added to the soils was preferentially adsrorbed by the pH dependent charges, wich in the Sao Paulo State soils are mainly due to organic matter constituents. A fraction of the added Cu ions forms very stable complexes or chelates, and the recovery of the Cu adsorbed with 0,05 N HCL soluti...

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Main Authors: Jacintho, A.O., Bittencourt, V.C., Machado, P.R.
Format: Artículo
Language:Portugués
Published: Instituto Interamericano de Cooperación para la Agricultura (IICA) 2025
Subjects:
Cobre||copper||Cobre||cuivre
Caña de azúcar||sugar cane||cana de açúcar||canne à sucre
Suelo||soil||solo||sol
Brasil||Brazil||Brasil||Brésil
Sede Central
Online Access:https://repositorio.catie.ac.cr/handle/11554/12782
Summary:The copper added to the soils was preferentially adsrorbed by the pH dependent charges, wich in the Sao Paulo State soils are mainly due to organic matter constituents. A fraction of the added Cu ions forms very stable complexes or chelates, and the recovery of the Cu adsorbed with 0,05 N HCL solutions was not quantitative in most cases. Therefore a high Cu concentration was observed in the soil equilibrium solution, wich being mobile can contribute, effectively to the nutrition of the plant.

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