ISHS Acta Horticulturae 133: Nutrient Film Technique and Substrates, XXI IHC
MACRONUTRIENT STATUS IN POTTING MIX SUBSTRATES AND IN TISSUE OF AZALEAS FROM THE EFFECTS OF SLOW-RELEASE FERTILIZER |
| Authors: | D.K. Markus, R.L. Flannery |
| Abstract:
Azalea plants were grown under greenhouse conditions in pots containing peat-vermiculite substrate treated with slow-release fertilizers. Osmocote, Agriform, MagAmp, Eeesy Grow, Nitro-form, Sulfur Coated Urea (SCU), and Iso-Butylidene Diurea (IBDU) were applied at three rates using 1:2:3 ratios. To determine their efficiency in supplying nutrients, the recovery of N, P, and K applied was studied through changes in plant uptake and in the substrates' nutrient status brought about by the fertilization. | |
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