Madzi ndi amodzi mwazinthu zamtengo wapatali kwambiri paulimi, ndipo ulimi wachikhalidwe umayambitsa zinyalala zazikulu zamadzi. Komabe, malo obiriwira okonda kuthirira madzi omwe amachepetsa kuchepa kwa madzi. Ndi maluso ngati kuthirira ndi ma hydroponics, greenhoni nyumba onetsetsani kuti madzi amaperekedwa mwachindunji ku mbewu za mbewu za mbewuzo, kuwononga zinyalala.

Greenhouses imagwiritsa ntchito madzi obiriwira mpaka 90% kuposa njira zachikhalidwe zachikhalidwe, zomwe zimathandiza kusungira chinthu chofunikachi.