Assessment of structural problems of vegetable greenhouses in Khuzestan province

Greenhouse structure has an important role in success of greenhouse production. This research was conducted to study problems related to vegetable greenhouse structure in Khuzestan province for on year(2011-2012). For this purpose, 21 greenhouses were selected by simple randomized samplang and Questionnaires were completed. The results revealed that the major problems in greenhouses vegetable production are: low height of the roof and gutters, low ratio of height to width, insufficient ratio of ventilated area to floor area, inefficiency of cooling and heating systems and poor ventilation. Finally, it can be concluded that, studied greenhouses are grouped in low technology greenhouses.