ISHS Acta Horticulturae 700: International Symposium Towards Ecologically Sound Fertilisation Strategies for Field Vegetable Production
EVALUATION OF FIELD METHODS FOR THE ASSESSMENT OF SOIL NMIN-CONTENT |
| Author: | A. Baumgarten |
| Keywords: | Nmin, conductivity meter, suction cup, Tensionic®, rapid methods, nitrogen demand, RQFlex® |
| Abstract:
In two laboratory experiments, the suitability of several rapid methods for the assessment of the soil Nmin-content was evaluated in comparison to the standard Nmin-method. Only the chemical analysis (both laboratory or reflectometric methods) of soil, properly sampled and pre-treated, proved to be appropriate for calculating the nitrogen fertilizer requirements based on the N-demand of plants. | |
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