ISHS Acta Horticulturae 222: Symposium on the Fertilization of Vegetables under Protected Cultivation
EVALUATION OF PLANT NUTRITION STATUS BY FRESH INDEX PART OR SAP ANALYSIS |
| Author: | E. Szwonek |
| Abstract:
The middle section of cucumber and tomato leaves appeared to be a representative partion of plant material in which the nutritional status of plants can be evaluated. NO3-N, P and K were determined in both plant tissue and plant sap. The concentrations of these nutrients in plant tissue after extraction were found to be quite similar to those in plant sap. | |
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