ISHS Acta Horticulturae 82: Symposium on Production of Protected Crops in Peat and other Media
COMPLETE CULTURE OF AZALEA 'INDICA' IN PEAT INCLUDING NUTRITION |
| Author: | E. Beel |
| Abstract:
Pot-azalea grown in peat are nowadays more and more thoroughly fertilized. The method used here is to supply the plants with quickly dissolving fertilizers in order to give them a quick start. At the same time a slowly working fertilizer is added to the substratum so as to ensure a temporary nutrition level, which can be kept up to an optimum degree by supplying additional liquid feeding. This liquid feeding is as frequently as possible supplied four weeks after the plants have been potted up. Research has shown that this manuring procedure can also be applied to grow minipazalea. As appears from the results obtained, slowly working fertilizers such as Triahon (20–10–15–5) and Osmocote (18–6–12) gave better results than Plantosan 4D (20–10–15–6) in an Azal substratum of peat. This substratum in its turn produced better results than a 60–40 pine-needle litter and peat substratum. In 9 consecutive months 29 additonal liquid feedings were supplied totalling 21.11g N, 5.64 g P2O5 and 8.08g K2O per sq.m. | |
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