Quote:
Originally Posted by Ohio'sBest
I have a list of pretty much all I can think of that states the NPK %, for those of you doing compost teas or soil amendments.
Alfalfa Hay: 2.45/0.5/2.1 ...
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This is a great list. Note that the mineral composition of plant materials can vary widely depending on the source. For example, wild alfalfa hay is close to the value above, whereas commercial alfalfa has a higher potash level.