"ENVO"^^ . _:b1217970 . _:b1217971 . _:b1217973 . "ENVO:00005785"^^ . "volcanic soil"^^ . _:b1217974 . _:b1217970 . _:b1217974 . _:b1217971 . _:b1217970 _:b1217973 . _:b1217972 _:b1217971 . . _:b1217971 . _:b1217972 . _:b1217974 . _:b1217973 _:b1217972 . . _:b1217974 . "Wikipedia:Volcanic_soil"^^ .