The soil in my area (Berkeley, CA) is clay, which I understand is
usually acid (I'll check mine with a pH test). I have a bunch of old
(1910) mortar from taking out a chimney (seismic concerns) and
cleaning off the brick for reuse. I understand old mortar is usually
just sand and lime, so it seems like this would make a good treatment
for acidic clay soil. Would it be crazy to spread this over my yard
and mix it in? I'm going to be re-landscaping most of the lot (1/8
P.S. I understand that most wallboard is just gypsum and paper, and
that gypsum is also good for acidic clay soil. What is a good way to
grind up wallboard scraps?
Most CA soils are highly alkaline. Not a good idea to mix in lime. And,
even if the soil were acicid, mixing in chunks of hardened cement still
wouldn't be a good idea. Ever try digging someplace that has a high rock
component? Not easy at all, and you want to create that in your back yard?
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