Ionic balance and growth of carnations
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A flow chart for diagnosing the nutrient status of carnation, Dianthus caryophyllus, was designed using the data from nutrient culture experiments. Diagnostic values for any specific ion were determined after considering the overall organic acid content, (C-A), of the plant and the level of the other ions in the plant tissue. The optimum (C-A) content for the carnation was 1700-1900 milligram equivalents per kilogram dry matter. There was a highly significant correlation between increase in (C-A) content and plant yield. Changes in the (C-A) content with few exceptions were mainly due to changes ...