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Soil Orders
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Question | Answer |
---|---|
no B horizon | Regosolic |
Bm, Bfj, Btj that are >5 cm thick or Bf < 10cm thick | Brunisolic |
Bg or Cg greater than 10 cm thick; within 50 cm of soil surface | Gleysolic |
has a Bt horizon | Luvisolic |
Ah greater than 10 cm; 1-17% organic C | Chernozemic |
has Bn or Bnt horizon | Solonetzic |
has Bf, Bhf, and/or Bh greater than or equal than 10 cm thick | Podzolic |
Permafrost! containing (B,C)z/y or Oz within 1 m of the surface; | Crysolic |
has Of, Om, and Oh horizons | Organic |
(B,C)ss/v; argillipedoturbation (self mixing); surface cracks common | Vertisolic |