Allahdadi, I., Moazzen-Ghamsari, B., Akbari, G.A., and Zohorianfar, M.J. 2005. Investigating the effect of different rates of superabsorbent polymer (Superab A200) and irrigation on the growth and yield of Zea may. Paper presented at the 3rd Specialized training course and seminar on the application of superabsorbent hydrogels in agriculture, Iran. (In Persian).
Allahyari, S., Golchin, A., and Vaezi, A.R. 2013. Study on effect of super absorbent polymer application on yield and yield components of two chickpea cultivars under rainfed conditions. Journal of Plant Production, 20(10), 125-141. (In Persian).
Amaniyan, A.A., Armin, M., and Filekesh, E. 2012. The effect of different amount of zinc on yield and yield components of sunflower under drought stress. Agronomic Research Journal, 5(3), 287-299. (In Persian).
Anonymous. 2014. Food and Agriculture Organization of the United Nations. Retrieved august 2014, 2014, from http://faostat3.fao.org/faostat-gateway/go/to/download/Q/QC/E.
Arribas, J. I. 2014. Sunflowers: Growth and Development, Environmental Influences and Pests/Diseases: Nova Science Pub Inc.
Chimenti, C., Pearson, J., and Hall, A. 2002. Osmotic adjustment and yield maintenance under drought in sunflower. Field Crops Research, 75, 235-246.
Daneshian, J., Farrokhi, E., Khani, M., and Rad, A.H.S. 2005. Evaluation of sunflower hybrids, CMS and restorer lines to drought stress. Interdrought-II, the second International Conference on integrated approaches to sustain and improve plant production under drought stress. Paper presented at the the second International Conference on integrated approaches to sustain and improve plant production under drought stress., Rome, Italy,.
Ghahderijani, M.M., Asilan, K.S., and Modarres Sanavy, S.A.M. 2015. Effect of improvers application on seed yield and irrigation water use efficiency of sunflower (Helianthus annuus L.) under water deficit stress conditions. Iranian Journal of Crop Sciences, 17(2).115-127. (In Persian).
Gholinezhad, E., Aynaband, A., Ghorthapeh, A.H., Noormohamadi, G., and Bernousi, I. 2009. Study of the effect of drought stress on yield, yield components and harvest index of sunflower hybrid Iroflor at different levels of nitrogen and plant population. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 37, 85-94.
Göksoy, A., Demir, A., Turan, Z., and Dağüstü, N. 2004. Responses of sunflower (Helianthus annuus L.) to full and limited irrigation at different growth stages. Field Crops Research, 87, 167-178.
Gomez-Sanchez, D., Vannozzi, G., Baldini, M., Tahmasebi, S., and Delle, G. 1998. Effect of soil water availability in sunflower lines derived from interspecific crosses. Italian Journal of Agronomy, 2(2), 101-110.
Hussain, M., Malik, M., Farooq, M., Ashraf, M., and Cheema, M. 2008. Improving drought tolerance by exogenous application of glycinebetaine and salicylic acid in sunflower. Journal of Agronomy and Crop Science, 194(3), 193-199.
Islam, M.R., Xue, X., Mao, S., Zhao, X., Eneji, A. E., and Hu, Y. 2013. Superabsorbent polymers (SAP) enhance efficient and eco-friendly production of corn (Zea mays L.) in drought affected areas of northern China. African Journal of Biotechnology, 10(24), 4887-4894.
Istiri, H., Armin, M., and Filekesh, E. 2014. The effect of zinc sulfate foliar application on yield and yield components of sunflower under drought stress. Journal of Oli Plant Production, 1(1), 65-77. (In Persian).
Jafar Zadeh Kenarsare, M., and Poostini., K. 1997. Study of drought stress effect in different groeth stage on some of morphological characters and sunflower yield components (Var. Record). Iranian Journal of Agricultural Sciences, 29(2), 353-361. (In Persian).
Kalhori, J., Mazaheri, D., and Hossein Alizadeh, A. 2005. Effect of irrigation stop at different growth stages on some agronomic traits of sunflower. (M. Se.), Tehran University. (In Persian).
Karimi, A. 2004. Effects of Super Absorbent amendments on water use and growth of sunflower. Desert, 6(1), 19-34.
Karimzade Asl, K., Mazaheri, D., and Peighambari, S.A. 2003. Effect of four irrigation intervals on the seed yield and quantitive characteristics of three sunflower cultivars. Iranian. J. Agric. Sci., 34(2), 293-301. (In Persian).
Khan, M.S., Swati, M.S., Khalil, I.H., and Iqbal, A. 2003. Heterotic studies for various characters in sunflower (Helianthus annuus L.). Asian Journal of Plant Sciences, 2, 1010-1014.
Khochek Zadeh, M., Sabaghfarshi, M., and Ganjeimoghadam, N. 2000. Effects of super absorbent polymers on some soil physical properties. Journal of Soil and Water, 14(2), 176-186. (In Persian).
Lentz, R., Sojka, R., and Robbins, C. 1999. Reducing phosphorus losses from surface-irrigated fields: Emerging polyacrylamide technology. Journal of environmental quality, 27(2), 305-312.
Mazahery-Laghab, H., Nouri, F., and Zare Abianeh, H. 2003. Effects of the reduction of drought stress using supplementary Irrigation for Sunflower (Helianthus annuus) in dry farming conditions. Pajouhesh And Sazandegi, 3(3), 31-41. (In Persian).
Moradi-Ghahderijani, M., Jafarian, S., and Keshavarz, H. 2017. Alleviation of water stress effects and improved oil yield in sunflower by application of soil and foliar amendments. Rhizosphere, 4, 54-61.
Moslemi, Z., Habibi, D., Asgharzadeh, A., Ardakani, M. R., Mohammadi, A., and Sakari, A. 2011. Effects of super absorbent polymer and plant growth promoting rhizobacteria on yield and yield components of maize under drought stress and normal conditions. African Journal of Agricultural Research, 6(19), 4471-4476.
Najafi Alishah, F., Golchin, A., and Mohebi, M. 2013. The effects of Aquasorb water-absorbing polymer and irrigation frequency on yield, water use efficiency and growth indices of greenhouse cucumber. Journal of Science and Technology of Greenhouse Culture-Isfahan University of Technology, 4(15), 1-14. (In Persian).
Nazarli, H., Zardashti, M.R., Darvishzadeh, R., and Najafi, S. 2010. The effect of water stress and polymer on water use efficiency, yield and several morphological traits of sunflower under greenhouse condition. Notulae Scientia Biologicae, 2(4), 53-58.
Pessarakli, M. 2014. Handbook of plant and crop physiology: CRC Press.
Rahimizadeh, M., Kashani, A. Zare Fizabady, A., Madani, H., and Soltani, E. 2011. Effect of micronutrient fertilizers on sunflower growth and yield in drought stress condition. Electronic journal of crop production, 3(1), 57-72. (In Persian).
Roshdi, M., Sharifabad, H.H., Karimi, M., Mohammadi, G.N., and Darvish, F. 2006. A survey on the impact of water deficiency over the yield of sunflower seed cultivar and its components. Journal of Agricultural Sciences, 12(1), 109-122.
Roshdi, M., 2014. Study on generative traits and yield of sunflower under different levels of irrigation and superabsorbent polymer. Journal of Crop Prodction Research, 5, 373-385. (In Persian).
Rostampour, M.F., Yarnia, M., and Khoee, F.R. 2012. Effect of polymer and irrigation regimes on dry matter yield and several physiological traits of forage sorghum. African Journal of Biotechnology, 11(48), 10834-10840.
Setter, T.L., Flannigan, B. A., and Melkonian, J. 2001. Loss of kernel set due to water deficit and shade in maize. Crop Science, 41(5), 1530-1540.
Shao, H.B., Chu, L.Y., Jaleel, C.A., and Zhao, C. X. 2008. Water-deficit stress-induced anatomical changes in higher plants. Comptes rendus biologies, 331(3), 215-225.
Torabi, A.R., Farahbakhsh, H., and Khajoienejad, G.R. 2014. Effect of different irrigation regimes and zeolit super absorbent on the yield and yield components of forage sorghum (Sorghum bicolor L.). Journal of Crops Improvement, 15(3), 1-14. (In Persian).
Vega, C.R., Andrade, F.H., Sadras, V.O., Uhart, S.A., and Valentinuz, O.R. 2001. Seed number as a function of growth. A comparative study in soybean, sunflower, and maize. Crop Science, 41(3), 748-754.
Yazdani, F., Allahdadi, I., and Akbari, G.A. 2007. Impact of superabsorbent polymer on yield and growth analysis of soybean (Glycine max L.) under drought stress condition. Pakistan Journal of Biological Sciences, 10(23), 4190-4196.