Agriculture Reference
In-Depth Information
Table 3: Potassium Sources
A “high nitrogen” fertilizer for vegetative crops like spinach
could consist of a mix of 10 ounces of blood meal, 6 ounces
of bone meal, and 21 ounces of wood ashes.
As long as you keep the proportions the same, you can mix up
as much of it as you like to keep handy, and you know that 37
ounces of the mixture are required for each 100 square feet.
Just a tad over two pounds.
A “low nitrogen” fertilizer for root crops like parsnips could
consist of a mix of 34 ounces of alfalfa meal, 4 ounces of rock
phosphate, and 30 ounces of greensand.
Just as with the first formulation, as long as you keep the
proportions the same, you can mix up as much as you'd like,
and you know that 68 ounces are required for each 100 square
feet—a hair over four pounds.
Your actual choice of fertilizers and blends will depend on
availability and price of materials, but using a variety of
components guarantees that at some point practically every
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