ISHS Acta Horticulturae 401: International Symposium on Growing Media & Plant Nutrition in Horticulture
PHYSICAL ANALYSIS OF PEAT AND PEAT-BASED GROWING MEDIA |
| Author: | G. Wever |
| Abstract:
Growing techniques and growing media have strongly changed during the last decades. Consequently, also for peat and peat-based growing media it is necessary to have a good method to characterize the physical properties with the right interpretation. In this study a cylinder-plunger method was modified and optimized to get a simple routine method. The relation between present method in use, cylinder-plunger and standard method and horticultural practice was determined. General comparison of the methods showed that all methods have a good relation with horticultural practice and not a single laboratory method can be indicated which shows the best overall results. The relation between the methods is very good. The methods with compression, the present and the developed cylinder-plunger method, show the best repeatability. | |
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