claim: The gas builds up in the soil, forming mounds called ‘pingoes.’
evidences.evidence_id: Effigy Mounds National Monument:7
evidences.article: Effigy Mounds National Monument
evidences.evidence: However, mounds in the shape of mammals, birds, or reptiles, known as effigies, apparently were constructed primarily by peoples in what is now known as southern Wisconsin, northeast Iowa, and small parts of Minnesota and Illinois.
evidences.votes: NOT_ENOUGH_INFO NOT_ENOUGH_INFO
evidences.evidence_id: Soil:275
evidences.article: Soil
evidences.evidence: At the next larger scale, soil structures called peds or more commonly soil aggregates are created from the soil separates when iron oxides, carbonates, clay, silica and humus, coat particles and cause them to adhere into larger, relatively stable secondary structures.
evidences.votes: SUPPORTS SUPPORTS
evidences.evidence_id: Soil:309
evidences.article: Soil
evidences.evidence: The clumping of the soil textural components of sand, silt and clay causes aggregates to form and the further association of those aggregates into larger units creates soil structures called peds (a contraction of the word pedolith).
evidences.votes: NOT_ENOUGH_INFO NOT_ENOUGH_INFO
evidences.evidence_id: Soil:342
evidences.article: Soil
evidences.evidence: At the same time, root hairs and fungal hyphae create microscopic tunnels that break up peds.
evidences.votes: NOT_ENOUGH_INFO NOT_ENOUGH_INFO
evidences.evidence_id: Soil:856
evidences.article: Soil
evidences.evidence: Phosphorus is largely immobile in the soil and is not leached but actually builds up in the surface layer if not cropped.
evidences.votes: NOT_ENOUGH_INFO NOT_ENOUGH_INFO