#fragipan — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #fragipan, aggregated by home.social.
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Fragipan (Pedology 🟤)
A fragipan is a diagnostic horizon in USDA soil taxonomy. They are altered subsurface soil layers that restrict water flow and root penetration. Fragipans are similar to a duripan in how they affect land-use limitations. In soil descriptions, they are commonly denoted by a Bx or Btx symbol. They often form in loess ground. The first record of fragipans is probably that by John Hardcastle in New Zealand in the ...