育児園[ikujien] baby nursery
園芸[engei] horticulture
園児[enji] kindergarten pupil
園長[enchou] head of a garden
園遊会[enyuukai] garden party

果樹園[kajuen] orchard
開園[kaien] opening, either for the day or a "grand opening" (e.g. theme park, botanical garden etc.)
学園[gakuen] academy
学園祭[gakuensai] school festival

加農砲[kanouhou] cannon
乾燥地農業[kansouchinougyou] dry farming
乾地農法[kanchinouhou] dry farming
勧農[kannou] encouragement of agriculture
共同農場[kyoudounoujou] collective farm

兼業農家[kengyounouka] part-time farmer
豪農[gounou] wealthy farmer
士農工商[shinoukoushou] hierarchy of samurai, farmers, artisans, and merchants in Edo society
重農主義[juunoushugi] physiocracy
小作農[kosakunou] tenant farming