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Raised Beds
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June 12, 2019
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SQWIBB
Tomatovillian™
Join Date: Jan 2018
Location: Philly 7A
Posts: 739
Clay soil need humus. I wouldn't add sand.
Add organic matter to the clay soil.
Perlite will definitely help also, but the main thing is getting them tiny clay particles Into larger aggregates.
I think it's called flocculation?
SQWIBB
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