PPM Calculations
Ok, I've seen the posts on how to do this but I need a
simplified version. Here's my question. My soil test says that
I have 20 ppm nitrogen. I want to bump it to 60 ppm. How many
pounds of 21% nitrogen fertilizer do I put per 100 square feet
to add 40 ppm of n to my soil???
This is a test of your math agility.
Now can you give me a single equation to solve this generally
in the form of
(Number of ppm of amendment you want to add)
Times
(Strength of Ferilizer in Percent}
Times
(Conversion Factor)
Equals
= Number of pounds fertilizer/100Sq ft.
This is really testing those brain cells.....
vince
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