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Fertilizers on the market list the proportions of nitrogen (N), phosphorus (P) and potassium (K), always in that order.
For example: a 21-7-14 fertilizer has 21% nitrogen, 7% phosphorus and 14% potassium, or potash.
A 5-10-10 fertilizer contains 5% nitrogen, 10% phosphorus and 10% potash.
Steer manure is typically rated 1-1-1 and is very low in plant nutrients.
|Sheri Ann Richerson|