天壌[tenjou] heaven and earth
土壌[dojou] soil
霄壌[shoujou] heaven and earth
酸性土壌[sanseidojou] acid soil
土壌汚染[dojouosen] soil pollution

平壌[heijou] Pyongyang
雲壌[unjou] clouds and earth
天壌無窮[tenjoumukyuu] as eternal as heaven and earth
鼓腹撃壌[kofukugekijou] (people) sing the praises (enjoy the blessings) of peace
火山灰土壌[kazanbaidojou] volcanic ash soil