Abe J, Guan GP, Shimamoto Y. A gene complex for annual habit in sugar beet (Beta vulgaris L.). Euphytica, 1997.94: 129-135.
Ati OF, Stigter CJ, Olandipo EO. A comparison of methods to determine the onset of the growing season in northern Nigeria.International Journal of Climatology, 2002. 22:732–742.
Bell GDJ. Induced bolting and anthesis in sugar beet and the effect of selection of physiological types. Journal of Agricultural Science, Cambridge, 1946. 36, 167-83.
Bishnoi OP. Applied agro-climetology. Oxford Book Company. Jaipur, India. 2010. pp540.
Bosemark NO. Genetics and breeding. In The Sugar Beet Crop : Science into Practice (Eds D. A. Cooke & R. K. Scott), 1993. pp. 67–119. London : Chapman and Hall.
Chegini MA. Effect of environment (Temperature and Photoperiod) on bolting, flowering and seed production in sugar beet. A thesis to The University of Reading for the Degree of Doctor of Philosophy. 1999. pp181–207.
Cooke DA, Scott RK, Sugar beet crop: Science in to practice, Chapman and Hall, London. 1993.
Cornwall C, Horiuchi A, Lehman C."NOAA Solar Calculator". U.S.A: Department of Commerce.27 Aug 2112. [Online] <http:www.esrl.noaa.gov/gmd/grad/solcalc/sunrise.html.
De pauw E. An Agro-ecological exploration of the Arabian peninsula. ICARDA. Aleppo, Syria, 77 pp. ISBN. 2002. 92-9127-119-5.
De Pauw E, Göbel W, Adam H. Agro-meteorological aspects of agriculture and forestry in the arid zones. Agric. For. Meteorology, 2000. 103:43–58.
Franks SJ, Sim S, Weis AE. Rapid evolution of flowering time by an annual plant in response to a climate fluctuation. Proceedings of the National Academy of Sciences, USA.2007. 104: 1278–1282.
Heide OM, Sonsteby A. Interactions of temperature and photoperiod in the control of flowering of latitudinal and altitudinal populations of wild strawberry (Fragaria vesca). Physiologic Plant Arum, 2007.130: 280–289.
Helali J. Relationships GDD values (GDD) and growing degree hours (GDH) of wheat in two climatic zones (MA thesis), Department of Irrigation and Reclamation. Tehran University; 2008. (in Persian)
Hossein poor M. Effect of nitrogen management of irrigation water and period growth during on water and light use efficiency in winter sugar beet (PhD thesis), Faculty of Agriculture, Tarbiat Modares University; 2007. (In Persian, abstract in English)
Hundal SS, Singh R, Dhaliva L.K. Agro-climatic indices for predicting phonology of wheat (Triticum aestivum L.) in Punjab. Journal of Agricultural Sciences, 1997.67: 265- 268.
Jaggard KW, Werker AR. An evaluation at the potential benefits and of autumn–sown sugar beet in NW. Journal of Agricultural Sciences, 1999. 132: 91-102.
Jaggard KW, Wickens R, Webb DJ, Scott RK. Effects of sowing date on plant establishment and bolting and the influence of these factors on yields of sugar beet. Journal of Agricultural Sciences, 1983. 161:101-147.
Javaheri MA, Najafinezhad H, AzadShahraki F. Study of autumn sowing of sugar beet in Orzouiee area (Kerman province).Journal of Scientific and Research Quarterly of Agricultural Jahad ISSN:1019-9632. No 71. 2006.(in Persian)
Kaffka S. Sugar beet production and the environment. 1996. Annual Report of the California Sugar Beet Growers Association.
Khalili A. Anew index for quantifying human climate comfort and it’s three-dimensional analysis for west zagros region (Iran), 17 th international congress of biometeorology ICB, Volume 1, 2005.pp267-269.
Khosravi M, Amani M, Hosseinzadeh Kermani M. Assessment of environmental suitability for sugar beet planting in Torbat- e- Heydarieh city using Geographic Information System (GIS). Journal of Sugar Beet, 2014. 30(1):101-116. (In Persian, Abstract in English)
Koulivand M. The sugar beet crop. Press and Cultural department of Shahid Beheshti University Jihad. 1988. pp 246. (in Persian)
Makhdoom M. Infrastructure and land logistics. Tehran University Press. 1995. (in Persian)
Milford GFJ, Jarvis PJ, Walters CA. Vernalization-intensity model to predict bolting in sugar beet. Journal of Agricultural Sciences, 2010. 148:127–137.
Marquardt S, Boss PK, Hadfield J, Dean C. Additional targets of the Arabidopsis autonomous pathway members, FCA and FY. Journal of Experimental Botany, 2006. 57, 3379–3396.
Orazizadeh MR. Determination of the most appropriate sowing date of seed of three monogerm cultivars of sugar beet for obtains the best plant density per hectare. Final report No. 7934 .Agricultural research center Safiabad of Dezful. 1997. (in Persian)
Reidsma P, Ewert F, Boogaard HL, Van Diepen CA. Regional crop modeling in Europe. The impact of climatic conditions and farm characteristics on maize yields. Agricultural Systems. 2009. 100:51-60.
Reusch TBH, Wood TE. Molecular ecology of global change. Molecular Ecology, 2007. 3973–3992.
Sanjani S. Agro-Ecological zoning and yield gap for wheat, sugar beet and corn in Khorasan Province (PhD thesis). Faculty of Agriculture, Ferdosi University; 2013. (In Persian, abstract in English)
Stout M. Relation of temperature to reproduction in sugar beets. Journal of Agricultural Research, 1946. 72, 49-68.
Taiti A, Henderson R, Turner R, Zheng X. Thin-plate smoothing spline interpolation of dailiny rainfall for New Zealand using a climatological rainfall surface. International. Journal of Climatology. 2006. pp 2097-2115.
Van Dijk H. Evolutionary change in flowering phenology in the iteroparous herb Beta vulgaris ssp. maritima: a search for the underlying mechanisms. Journal of Experimental Botany, 2009. 60(11): 3143–3155.