ə̇ˈdafik, ēˈ- adjective
Etymology: International Scientific Vocabulary edaph- (from Greek edaphos bottom, ground, soil) + -ic; probably akin to Greek hezesthai to sit — more at sit
1. : of or relating to the soil
edaphic relations
edaphic factors in forest development
2.
a. of ecological formations : resulting from or influenced by factors inherent in the soil (as salinity, alkalinity, or drainage) — opposed to climatic ; see edaphic climax
b. : autochthonous 1
• edaph·i·cal·ly -fə̇k(ə)lē adverb