Summary
Five acid soils of Hawaii, having histories of heavy P applications were equilibrated with graded quantities of Zn. Amounts of adsorbed Zn were extracted with a single extraction of 0.005M DTPA. The data indicated that most of the added Zn was in available form. Prior P applications either had no effect on recovery or slightly increased it. The results substantiated the earlier findings that P-induced Zn deficiency could not be due to precipitation of Zn as insoluble Zn−P compounds in the soils.
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Saeed, M. Recovery of adsorbed zinc in acid soils as influenced by prior phosphorus applications. Plant Soil 52, 447–450 (1979). https://doi.org/10.1007/BF02185587
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DOI: https://doi.org/10.1007/BF02185587