Quote:
Originally Posted by Richard
Most nurseries use 20-20-20 because it is cheap. The Dragon fruit are mostly interested in the last number. Micronutrients are important too, for example the plant uses zinc and copper for disease resistance.
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The exact contents are Nitrogen 20%(Nitrate N 5.5%, Ammoniacal N 3.65%, Urea N 10.85), Phosphate(p205) 20%, Soluble Potash(K20) 20%, Sulfur .06%, Boron .02%, Copper .05%, Iron .10&, Magnesium .05%, Manganese .05%, Molybdenum .0005%, and Zinc .05%.
What do you think?
Forgot to mention that I apply once a month..
Also, do you think it is okay to use it on my many potted trees? I have a key lime, sugar apple, guava, grumichama tree, and some pepper plants in pots. I applied the fert to them as well and had amazing results. Lots of new growth from all plants, but I think I need a different fert for the pepper plants since there is lots of growth, but not many peppers.