_:b1217713 . _:b1217713 . _:b1217713 "FAO:http://fao.org/ag/agl/agll/wrb/doc/wrb2006final.pdf"^^ . _:b1217713 . _:b1217713 "Andosols are soils that develop in volcanic ejecta or glasses under almost any climate (except under hyperarid climate conditions). However, Andosols may also develop in other silicate-rich materials under acid weathering in humid and perhumid climates."^^ .