Acebedo MM, Cañete ML and Cuevas J. 2000. Processes affecting fruit distribution and its quality in the canopy of olive trees. Advances in Horticultural Science. 4:169-175.
Archer E and Hunter J .2010. Practices for sustainable viticulture. Part 2. Row orientation, vine spacing and trellis systems. Wynboer Technical Yearbook, 126- 135.
Boehm EW and Coombe BG. 2008. Viticulture Practices. Volume 2. Editors: Coombe, B. G. and Dry, P. R. 3rd Edition. Winetitles, Australia.
Brooker RW, Bennett AE, Cong W F, Daniell TJ, George TS, Hallett PD and Li L. 2015. Improving intercropping: a synthesis of research in agronomy, plant physiology and ecology. New Phytologist. 206(1): 107-117.
Cantini C and Gucci R. 1999. Pruning and training systems for modern olive growing. Csiro Publishing.
Connor DJ. 2006. Towards optimal designs for hedgerow olive orchards. Australian Journal of Agricultural Research, 57(10): 1067-1072.
Heuvel JV, Lerch SD, Lenerz CC, Meyers JM and Mansfield AK. 2013. Training system and vine spacing impact vine growth, yield, and fruit composition in a vigorous young ‘Noiret’vineyard. Hort Technology, 23(4): 505-510.
Hunter JJ. 1998. Plant spacing implications for grafted grapevine II soil water, plant water relations, Canopy Physiology, Vegetative and Reproductive Characteristics, Grape Composition, Wine Quality and labour requirements. South African Journal of Enology and Viticulture, 19(2): 35-51.
Karami F, Karami MJ and Ahmadi H. 2005. The effect of spacing on yield and quality of grape, 4 th Congress of Horticultural Sciences, Tehran, Iran. (In Persian).
Khazaie M. 2014. The study of maize and sugar beet intercropping. Agricultural Crop Management, 16 (4): 987-997. (In Persian).
León L, de la Rosa R, Rallo L, Guerrero N and Barranco D 2013. Influence of spacing on the initial production of hedgerow ‘Arbequina’olive orchards. Spanish Journal of Agricultural Research, 5(4): 554-558.
Lichtfouse E, Navarrete M, Debaeke P, Souchère V, Alberola C and Ménassieu J. 2009. Agronomy for sustainable agriculture: a review. In Sustainable agriculture. Springer Netherlands.
Lithourgidis AS, Dordas CA, Damalas CA, and Vlachostergios D. 2011. Annual intercrops: an alternative pathway for sustainable agriculture. Australian Journal of Crop Science, 5(4): 396.
Mahmood Zadeh H, Rasooli V and Ghorbanian D. 2009. Effect of some training systems on vegetative growth, fruit yield and fruit quality of Vitis vinifera cv. Sefid Bidaneh in Takestan region. Seed and Plant Production, 25 (4): 373-387. (In Persian).
Mushagalusa GN, Ledent JF and Draye X 2008. Shoot and root competition in potato/maize intercropping: Effects on growth and yield. Environmental and Experimental Botany, 64(2): 180-188.
Rallo Romero L, Guerrero N, Rosa Navarro RDL, Barranco Navero D and León Moreno L. 2007. Influence of spacing on the initial production of hedgerow" Arbequina" olive orchards. Spanish Journal of Agricultural Research, 5(4): 554-558.
Reynolds AG and Heuvel JEV. 2009. Influence of grapevine training systems on vine growth and fruit composition: a review. American Journal of Enology and Viticulture, 60(3): 251-268.
Zhang DP, Hongying J, Xingli C and Xue X. 1995. Studies on the essential relationship between canopy microclimate. Acta Horticulturae Sinica, 22(2): 110-116.
Ripoche A, Celette F, Cinna JP and Gary C. 2010. Design of intercrop management plans to fulfil production and environmental objectives in vineyards. European Journal of Agronomy. 32(1): 30-39.
Shaulis N, Amberg H and Crowe D. 1966. Response of Concord grapes to light exposure and Geneva double curtain training. In Proceedings of the American Society for Horticultural Science. No. DEC, Pp. 268-274.
Thevathasan NV and Gordon AM. 1997. Poplar leaf biomass distribution and nitrogen dynamics in a poplar-barley intercropped system in southern Ontario, Canada. Agroforestry Systems, 37(1): 79-90.
Tombesi A, Boco M and Pilli M. 1997. Influence of light exposure on olive fruit growth and composition. In III International Symposium on Olive Growing. Pp. 255-260.
Tous J, Romero A and Plana J. 2005. Vigor (Banco de germoplasma de Cataluña). Variedades de olivo en España (Libro II: Variabilidad y selección). Pp, 247-256.
Zahavi T, Reuveni M, Scheglov D and Lavee S. 2001. Effect of grapevine training systems on development of powdery mildew. European Journal of Plant Pathology, 107(5): 495-501.
Zinanloo A, Azimi M. 2001. Visiting report from Italy, Zanjan Province Agricultural Research Center, Zanjan, Iran. (In Persian).