Comportamento do cobre em solos cultivados com cana de acúcar
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Instituto Interamericano de Cooperación para la Agricultura (IICA)
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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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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