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... years, then used as a truck patch. What makes the surface of the soil have a red or rust color after a rain and the soil surface dries?
I live in GA so the soil is tougher than normal and it's hotter. I have a limited amount of light shade space (mostly it would have to be in ...
options:- 1) potassium nitrate 2) ammonium sulphate 3) urea 4) superphosphate of lime