Tsarin iskar gas na greenhouse yana taka muhimmiyar rawa wajen lafiyar shuke-shuke da kuma samar da amfanin gona. Yawancin masu noman lambu ba sa danganta jinkirin girma, rashin isasshen amfanin gona, ko matsalolin ƙwayoyin cuta ga rashin isasshen tsarin iskar gas na greenhouse. Yawancin masu lambu sun fahimci mahimmancin tsarin iskar gas don sarrafa zafin jiki, amma fa'idodin da ake samu daga tsarin iska suna da fannoni da yawa. Ba wai kawai tsarin iska yana da mahimmanci don kiyaye yanayin muhalli ba, har ma suna tasiri kai tsaye ga ikon shuka na yin photosynthesis, ɗaukar abubuwa masu mahimmanci, da kuma cikakken zagayowar haihuwa (pollination). Tsarin iskar gas na greenhouse yana da ayyuka guda huɗu masu mahimmanci: kula da zafin jiki, kula da danshi, maye gurbin CO2/oxygen, da zagayawar iska.