Raised bed - a plot for growing plants that is raised above ground level using boards to make sides or raised bed kits available at garden centers. Check out the raised bed story on this site for more how to's. Superphosphate - fertilizer bags have three numbers listed on them. The middle number is the superphosphate number. Sulfate of potash - the third number on the fertilizer bag is potash.
Sulfate of potash is one of the forms that potash comes in.
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