The biggest advantages of vegetable production in greenhouses are obtained when done near big markets (cities) or for exporting (near an international airport).
Izinzuzo ezinkulu kakhulu zokukhiqiza imifino ezindaweni zokugcina izithombo zitholakala lapho zenziwe eduze kwamakethe amakhulu (amadolobha) noma ukuthumela ngaphandle (eduze nesikhumulo sezindiza).