Sadeghzadeh Hemayati, S. 2016. Annual research report of sugar beet seed institute. 2016. Sugar Beet Seed Institute Press. 196 p. (In Persian)
Bakhtari, S., Khajoei Nejad, G.R., and Mohamadi Nejad, G. 2017. The effect of irrigation cut-off in flowering stage and foliar application of spermidine on essential oil quantity and quality of three ecotypes of cumin. Agroecology Journal 8 (4): 521-535. (In Persian with English Summary)
Faberio, C., Santa Olalla, M., Lopez, R., and Dominguez, A. 2003. Production and quality of sugar beet (Beta vulgaris L.) cultivated under controlled deficit irrigation condition in semiarid- climate. Agricultural Water Management 62:215-227.
Farshi, A.A., Shariati, M.R., Jar Elahi, R., Ghaemi, M.R., Shahabifar, M., and Tavallaei, M. 1997. Estimated Water Requirements for Major Agronomic and Horticultural Plants of the Country. Agricultural Education Publication Press. 900 p.
Hamedan Regional Met Office. 2018. Annual Report of Hamedan County Precipitation. http://sinamet.ir/.
Heydari, N., and Haghayeghi Moghadam, S.A. 2001. Water use efficiency of main crops in different regions of Iran. Final report of Agricultural Engineering Research Institute. Karaj, Iran. (In Persian)
Jafari, A.M., and Rezvani, S.M. 2001. Approaches to confront of water crisis. Final report of Management and Planning Organization of Hamedan Province. No. 275. (In Persian)
Jafariyan, J., and Fal Soleyman, M. 2008. Water crisis and need attention to water productivity in arid regions, case study: birjand Plain. Geography and Development 11: 115-138. (In Persian with English Summary)
Jozi, M., and Zare Abyaneh, H. 2015. Water productivity and water use efficiency indexes of sugar beet under different levels of water and nitrogen fertilizer. Journal of Water and Soil Conservation 22 (5): 117-133. (In Persian with English Summary)
Karimzadeh Moghadam, M. 2006. Investigating the effect of drip, sprinkler and Leakage irrigation systems on water use efficiency and quantitative and qualitative yield of sugar beet. 1th National Conference on Irrigation and Drainage Networks Management, Ahvaz, Iran, 2-4 May 2006, p. 957-959. (In Persian)
Koocheki, A., Nassiri Mahallati, M., Moradi, R., and Mansouri, H. 2017. Strategies of transition to sustainable agriculture in Iran I- Improving resources use efficiency. Agroecology Journal 9 (3): 3. (In Persian with English Summary)
Mirzaei, M.R., and Ghadami Firozabadi, A. 2007. Investigation of quantity and quality characters of sugar beet crop under furrow and micro irrigation systems in Hamedan. Sugar Beet 23 (2): 111-122. (In Persian with English Summary)
Molden, D. 1997. Accounting for water use and productivity. International Irrigation Management Institute, Colombo, Sri Lanka.16 pp.
Regional Water Company of Hamedan. 2016. Summary report on groundwater and surface water resources. http://www.hmrw.ir/.
Rezvani, S.M., Nourozi, A., and Azari, K. 2008. Impacts of different irrigation systems and nitrogen fertilizer on yield and water use efficiency of sugar beet. Sugar Beet 24 (2): 57-72. (In Persian with English Summary)
Rijsberman, F.R. 2006. Water scarcity: Fact or fiction? Agricultural Water Management 80: 5–22.
Sadeghzadeh Hemayati, S. 2015. Technical and performance approaches of water consumption decreases in sugar beet cultivation at Orumia Lake Basin. Final report of Sugar Beet Seed Institute. Karaj, Iran. (In Persian with English Summary)
Salami, H.A. 1997. Consepts and measurment of productivity in agriculture. Agricultural Economics and Development. No. 18. (In Persian)
Topak. R., Süheri, S., and Acar, B., 2010. Effect of soil drip irrigation regimes on sugar beet (Beta vulgaris L.) yield, quality and water use efficiency in Middle Anatolian, Turkey. Irrigation Science 29: 79-89.
Zamai, O., Mortazavi, S.A., and Balali, H., 2014. Economical Water Productivity of Agricultural Products in Bahar Plain, Hamadan. Journal of Water Research in Agriculture 28(1): 51-62. (In Persian with English Summary)