1- Abel, G. H. 1976(a). Relationship and uses of yield components in safflower breeding.Agron. J. 68: 442-447.
2- Abel, G. H. 1976(b). Effeects of irrigation regimes planting dates nitrogen levels and row spacing on safflower cultivars.Agron. J.68:448-451.
3- Alessi, j., Power, j. F. and Zimmerman, D. C. 1981. Effect of seeding date and population on water-use efficiency and safflower yield. Agron. J. 73: 783-787.
4- Arsalan, B., Yildirim, B., Ilbas, A. I. O. Dede and Okut, N. 1997. The effects of sowing date on yield and yield characters of varieties of safflower (CarthamustinctoriusL.). p.125-131. Paper presented at the The Fourth International Safflower Conf. Bari, Italy. June 2-7, 1997.
5- Bagheri, M. 1995. Effects of planting date on yield and yield components of safflower, MA thesis, Department of Agriculture, Faculty of Agricultural Technology.
6- Bagheri, H., Saiidi, R. and Ehsanzade, P. 2006. Agronomic characteristics of selected genotypes of safflower landraces planted in spring or summer, Science and Technology of Agriculture and Natural Resources, Tenth year, No. 3, P. 375- 390.
7- Behdani, E. and Jamiolahmadi, M. 2008. Evaluation of growth and yield of safflower in different planting dates, Journal of Iranian Field Crop Research, Volume 6, Number 2, pages 245 to 254.
8- Boozchloii, F. H. 1990. Oil seeds and edible oils. Publication Series of the global market.
9- Cazzato, E., Ventricelli, P. and Corleto, A. 1997. Effect of date of seeding and supplemental irrigation on hybrid and open-pollinated safflower production in southern Italy.pp. 119-124. Paper presented at The Fourth International Safflower Conf. Bari, Italy. June 2-7, 1997.
10- Cholaky, L., Fernandez, E., Asnal, M., Giayetto, W. E. O. and Plevich, Y. J. O. 1993. Safflower (CarthamustinctoriusL.) sowing datesinRioCuouto.pp. 395-402.Paper presented at The Third International Safflower Conf. Beijing, China. June 14-18.
11- Dadashi, N. and Khajapour, M. R. 2003. Effects of Temperature and Day Length on Developmental Stages of Safflower Genotypes under Field Conditions. Science and Technology of Agriculture and Natural Resources, 7 (4): 83-102.
12- Dadashi, N. and Khajapour, M. R. 2004. Effect of planting date and cultivar on growth, performance components and performance of safflower., Science and Technology of Agriculture and Natural Resources. Eighth year. No. 3.
13- Ehdaii, B. and Noormohamadi., GH. 1984. Effect of sowing date on grain yield and other agronomic characteristics of two varieties of safflower, Journal of Agricultural Faculty of Agriculture, ShahidChamranUniversity, No. 9, P. 28- 42.
14- Esendal, E. 2001. Safflower production and research in Turkey. Vth International Safflower Conference, Williston, North Dokota, Sidney , Montana, USA, July 23-27 , pp:203-206.
15- Forozan, K. 1997. Safflower. Oilseed Research and Development Company. Publications, Tehran, Iran. 150 pages.
16- Frozan, K.(1999). Golrang, seed oil Publishing Co.
17- Gonzalez, J. L., Schneiter, A. A., Riveland, N. R. and Johnson, B. L. 1994. Response of hybrid and open-pollinated safflower to plant population.Agron. J. 86: 1070-1073.
18- Haghighati, M. M. and Fery, F. 2007. Effect of nitrogen and phosphorus fertilizers on the yield of rainfed safflower seed oil percentage. Tenth Congress of Soil Science, Iran.
19- Iliadis, C. 2001. Evaluation of six chickpea varieties for seed yield under autumn and spring sowing.Journal of Agricultural Science,Cambridge 137: 439-444.
20- Khajapour, M, R. and Saiidi, F. 2000. Effect of sowing date on yield and yield components of sunflower oil. Science and Technology of Agriculture and Natural Resources, 4 (2): 117-127.
21- Kochakzade, M., Sabaghfarshi, E. A. and Khoramdel, N. 2000. Superabsorbant effect of water on some soil physical properties of the polymer. Journal of Soil and Water Sciences, Volume 14, Issue 2, p. 176 - 185.
22- Kohestani, SH. and Maghsodi, K. 2009. Effect of super absorbent hydrogel on the performance of maize (Zea mays L.) under drought stress. Iranian Journal of Water Research, Third Year, No. 5: 71-78.
23- Kuchaki, A., Sharifi, H. R. and Zand, E. 1997. The Ecological Consequences of Global Climate Change. Mashhad's Jahad Publisher press. Mashhad, Iran. 235 pages.
24- Mir Shekari. 2001. Science of Crop Production, Vol. 2, Islamic Azad University of Tabriz.
25- Mirzakhani, M., Ardakani, M., Shirani R. A. and Abasifar, R. 2002. Asses the effects of sowing date on yield of safflower varieties in MArkazi Province, Iranian Journal of Crop Sciences, 4( 2) P. 138- 149.
26- Mohsel, M. R. and Behdani, M. E. 2010. Effect of variety and plant density on yield and yield components of safflower. Agricultural Sciences and Technology Journal, 8 (2): 124-110.
27- Mundel, H., Morrison,H., Entz,T., Blackshaw, R. E., Roth, B. T., Kiehn, F. and Vandenberg, A. 1994. Row spacing and seeding rates to optimize safflower yield on the Canadian prairies. Can. J. Plant Sci. 74: 319-321.
28- Nickpour, M. E. and Kocheki, E. 1999. Effects of sowing date on growth, yield and yield components of safflower. Agricultural Sciences and Technology Journal, 13 (1): 7-15.
29- Osorio, J., Fernandez-Martinez, J., Manchu, M. and Graces, R. 1995. Montana Safflower with high concentration of saturation fatty acids in the oil. Crop Sci. 35, pp:739-742.
30- Ozdemir, S. and Karadavut, U. 2003. Comparison of the performance autumn and spring sowing of chickpeas in a temperate region.Turkish Journal of Agriculture and Forestry27: 345-352.
31- Pasari, B.(2008).Principles of crop farming, Islamic Azad University of Sanandaj.
32- Prasad, S., Agrawal, R. K. and Chaudhary, B. K. 1993. Correlation and path coefficient studies in hybrids. Pp. 69-75. Paper presented at The Third International Safflower Conf. Beijing, China. June 14-18, 1993.
33- Saxena, M. C. 1984. Agronomy studies on winter chickpea. In proceeding of the workshop on ascochyta blight and winter sowing of chickpea.ICARDA Publications.Aleppo, Syria.
34- Saxena, M. C., Silim, S. N. and Singh, K. B. 1990. Effect of supplementary irrigation during reproductive growth on winter and spring chickpea (Cicerarietinum L.) in a Mediterranean environment.Journal of Agricultural Science, Cambridge 114: 285–293.
35- Sayeeddoraji, Golchin, S. and Ahmadi, A. S. 2010. The effect of different levels of super absorbent polymer (superab A200) and soil water holding capacity in sandy, loamy and clay. Journal of Soil and Water (Agricultural Sciences and Technology), Vol. 24, No. 2, p. 306 - 316.
36- Sedigh, K. and Aminpour, A. 1984. Curative. Publishing Company.
37- Tomar, S. S. 1995. Effect of soil hydrothermal regimes on the performance of safflower planted on different dates.Journal of Agronomy and Crop Science 175: 141-152.
38- Zainali, A. 1999. Safflower (Identification, production and consumption.), Gorgan University of Agricultural Sciences and Natural Resources.