Reading fertilizer contents
I was reading this morning about a fertilizer that's 4-6-8. I'm
confused. Are the numbers just proportional, so 4-6-8 is the same as
2-3-4? Or do they refer to the N-P-K content of some specific unit of
measure, so 4-6-8 is more powerful than 2-3-4?
Kathy
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