Re: Water Soluble Banana Fuel Dosages
Sandy, I think that is great advice. For my customers growing outdoors, I recommend feeding only during the growing season.
One confusion I see for novices is how we use the term "ppm" (parts per million). Traditionally in professional circles we are referring to the ppm of Nitrogen, and in some cases the ppm of another mineral. However, I've discovered that hydroponic stores are now selling and promoting "ppm meters" which measure total dissolved solids -- not individual minerals etc. In addition there are hydroponic fertilizer products with ppm dosages on the label for total ppm.
For example:
10-10-10 water-soluble mineral fertilizer at 1200 total ppm = 120 ppm Nitrogen.
15-10-30 water-soluble mineral fertilizer at 100 ppm Nitrogen = 666 total ppm.
The situation is more complicated when a fertilizer product contains other soluble material such as kelp extract. One product I've seen offered recommends dosages of 4000 (total) ppm. This does not mean 4000 ppm Nitrogen! When measured with professional equipment, we find it is delivering 60 ppm N.
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