Strategic Research Journal of Agricultural Sciences and Natural Resources

Strategic Research Journal of Agricultural Sciences and Natural Resources

Structural Challenges of Greenhouses in Iran

Document Type : Original Article

Author
Gh. Zarei
Associate Professor of Research, Agricultural Engineering Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj,
10.22047/srjasnr.2017.110578
Abstract
            In recent years, greenhouses are developing in Iran because of a high productivity technology due to the possibility of controlling environmental factors for agricultural production such as temperature, prevention of frostbite and heat exhaustion phenomena, efficient use of water and soil resources, appropriate use of fertilizers and pesticides and off-season production. Generally, commercial greenhouses are used for high economical and physical production of ornamental plants, vegetables, and fruits. Proper location, type of structure, covering and equipment as well as management and operation are very important to achieve proper environmental conditions inside greenhouses. Some of the main issues of greenhouses in Iran are greenhouses size, geographic orientation, greenhouse height, improper ratio of height to width (H/W) and length to width (L/W), poor ventilation areas, location for ventilation systems, substandard materials and coverings, structural strength against environmental factors such as wind and snow loads, and depreciation of structures. This paper presents technical parameters analysis which required in greenhouse to achieve the minimum standards. Then based on a case study in three provinces include Khuzestan, Bushehr, and Fars, these parameters were investigated during 2014. The results showed greenhouses which were constructed in Khuzestan province generally are not standard and related engineering principles and indices are not considered properly. More than half of the studied greenhouse structures in Bushehr had weakness in structures. The structural and equipment differences which observed in the greenhouses of this province were low and not statistically significant. During last few years, nursery activities for exporting vegetables and fruits propagation to other provinces are expanding in Bushehr. These activities moderated the structural and equipment weakness in this province. The structural and equipment differences which observed in Fars province green houses were low and not statistically significant while weakness in technical indicators in about half of the greenhouses was evident due to climatic diversity in this province.
Keywords
Energy productivity
Greenhouse standards
Technical indices
Water productivity
  1. بی­نام، 1387. مبانی و ضوابط توسعه گلخانه­ها (مبانی و ضوابط طراحی). معاونت برنامه­ریزی و نظارت راهبردی رئیس جمهور، نشریه شماره 474، 133 صفحه.
  2. بی­نام، 1391. مبانی و ضوابط توسعه گلخانه­ها (نظام گلخانه­ای، پرورش قارچ خوراکی و کمپوست کشور). معاونت برنامه­ریزی و نظارت راهبردی رئیس جمهور،نشریه شماره 472، 143 صفحه.
  3. بی­نام، 1395. سطح زیرکشت انواع محصولات گلخانه­ای تا پایان سال 1394. دفتر امور گلخانه­ها، گیاهان دارویی و قارچ معاونت امور باغبانی وزارت جهاد کشاورزی، 15 صفحه.
  4. حسندخت، م. 1384. مدیریت گلخانه (تکنولوژی تولید محصولات گلخانه­ای). انتشارات مرز دانش،320 صفحه.
  5. زارعی، ق. و د. مومنی. 1395. راهنمای جامع مکان­یابیبرای احداث گلخانه­ها. موسسه تحقیقات فنی و مهندسی کشاورزی، 78 صفحه.
  6. زارعی، ق.، ح.دهقانی، و.ا.بنی­عامری، م. عابدی، م. بصیرت، ر. فامیل­مومن، ع.م.جعفری، ک. شرافتی، ع.ا. پالوچ، م.م. نخجوانی و ن. حیدری. 1387. برنامه راهبردی تحقیقات گلخانه، گزارش شماره 658/87 موسسه تحقیقات فنی و مهندسی کشاورزی، 478 صفحه.
  7. زارعی، ق.، آ. عزیزی، م.ع. شاهرخ­نیاو م. پوزش­شیرازی. 1394.تعیین معیارهای طراحی بهینه سازه­­های گلخانه­­ای برای مناطق گرمسیر کشور.گزارش پژوهشی شماره 48600 موسسه تحقیقات فنی و مهندسی کشاورزی، 197 صفحه.
  8. سالم، ج. 1379. بررسی اقتصادی محصولات گلخانه­ای و مقایسه آن با کشت­های غیرگلخانه­ای و تعیین حداقل وسعت اقتصادی آن با تاکید بر کشت­های خیار سبز درختی، مرکز تحقیقات کشاورزی و منابع طبیعی یزد، 68 صفحه.
  9. صادقی، ص.، س.ن.ا. مرتضوی و ق. زارعی. 1392. ارزیابی راندمان سیستم سرمایش فن و پد گلخانه‌ای در منطقه محلات. مجله علوم وفنون کشت­های گلخانه ای، 13-1:(16)4.
  10.  ASAE. 1993. ASAE engineering practice: Commercial greenhouse design and layout. ASAE. 7 p.
  11. ASAE. 2003. ASAE engineering practice: Heating, ventilation and cooling greenhouses. Hahn, R.H. and E.E. Rosentreter, eds. 35th edition. ASAE. 10 p.
  12. Castilla, N. 2012. Greenhouse technology and management. CABI Press, Wallingford, Oxfordshire, England.  374 p.
  13. Chandra, P., P.C. Serivastava and R.C. Maheshvari. 1982. Solar greenhouse design consideration. In: ISAE XIXI Annual Convention, Udaipur, India.

14. Connellan, G.J. 2002. Selection of greenhouse design and technology options for high temperature regions. Acta Hort. 578: 113-117.

15. European Standard. 1997. Greenhouses: Design and Construction-Part 1: Commercial Production Greenhouses. 67 p.

16. Food and Agriculture Organization of the United Nations (FAO). 1990. Protected cultivation in the Mediterranean climate. FAO Plant Production and Protection Division, Paper 90. Rome, Italy.

17. Food and Agriculture Organization of the United Nations (FAO). 2013. Good agricultural practices for greenhouse vegetable crops: Principles for Mediterranean climate areas. Plant Production and Protection Division, Paper 217. Rome, Italy.

18. Hanan, J. 1998. Greenhouse advanced technology for protected horticulture. CRC Press, Boca Raton Florida, USA. 684 p.

19. Harmanto, L., H.J. Tantau and V.M. Salokh. 2006. Optimization of ventilation opening area of a naturally greenhouse in humid tropical environment. Acta Hort.719:166-172.

20. Kacira, M. 2013. Choose the right greenhouse style. Retrieved from http//www.growing produce.com/article/32536/choose-the-right-greenhouse-style.

21. Kamarudin, R., B.J. Baily and M.P Dougllas. 2000. Physical properties of covering materials for naturally ventilated tropical greenhouse. J. Trop. Agr. Food Sci. 28 (1): 55-69.

22. Kipp, J. 2010. Optimal climate regions in Mexico for greenhouse crop production. Wageningen UR Greenhouse Hort., The Netherlands. 31 p.

23.  Kittas, C., N. Katsoulas and T. Bartzanas. 2012. Greenhouse Climate Control in Mediterranean Greenhouses. CEA03: 89-114.

24. Montero, J.I., A.Anton, R. Kamaruddin and B.J. Bailey. 2001. Analysis of thermally driven ventilation in tunnel greenhouses using small scale models. J. Agr. Eng. Res. 79 (2): 213 – 222.

25. Pardossi, A., F.Tognoni and L.Incrocci. 2004. Mediterranean greenhouse technology. Chronica Hort. 44 (2): 28-34.

26. Speetjens, B., S. Hemming, D. Wang and J.R. Tsay. 2012. Design of a vegetable greenhouse system for subtropical conditions in Taiwan. Wageningen UR Greenhouse Hort., The Netherlands. 60 p.

27.  Van der Sanden, J. 2002. Greenhouses with flexible claddings: Structural aspects and demands for greenhouses. IPC  PLANT DIER. Ede, The Netherlands. 15 p.

28. Von Zabeltitz, C. 1999. Greenhouse Structures. Ecosystems of the World’s 20 Greenhouses, Elsevier Publication, Amsterdam, The Netherlands. 117 p.

29. Von Zabeltitz, C. 2011. Integrated greenhouse systems for mild climates: Climate conditions, design, construction, maintenance and climate control. Springer, Berlin, Germany.  363 p.

30. White, R.A.J. 1975. Effect of ventilation on maximum air temperatures in twelve identical glasshouses. Acta Hort. 46: 63–70.

31. Worley, J. 2011. Greenhouse heating, cooling and ventilation. Cooperative Extension, University of Georgia. College of Agriculture and Environmental Science, Bulletin 792, 10 p.

 

Strategic Research Journal of Agricultural Sciences and Natural Resources
Volume 2, Issue 2
December 2017
Pages 149-162