Ahmadi A. Effect of micronutrients application methods on the root yield and sugar percent. Ph.D. Thesis. Tabriz University Faculty of Agriculture. 2004; 97p. (In Persian).
Alba SPA. Effect of fertilization with boron on the yield of sugar beet seed. Sementi Elette. 1979; 25:3-4, 71-20.
Anon. Glossary of Soil Science Terms. Soil Science Society of America, Madison, Wisconsin. 2001.
Draycott, AP, Christenson, DR. Nutrients for sugar beet production: Soil-plant relationships. CABI Publishing. 2003.
Grant CA, Bailey LD. Fertilizer management in canola production. Can. J. Plant Sci. 1993; 73: 651-670.
Hanousek J. The results of experiments with the application of trace elements to sugar beet in 1970- 75. CAB Abstract. 1973; 1972-75.
Hashemi Dezfoli A, Koocheki A, Banayan M. Maximizing crop yield. Jahad Daneshgali Mashhad Press .1997; pp.287. (In Persian).
Hu H, Brown PH. Absorption of boron by plant roots. Plant and soil, 1997; 193: 49-58.
Jassem M, H. Sadowski. Seed improvement as a factor in increasing the efficiency of sugar beet production. Biultyn Instytutu Hodouli Aklimatyzacji Roslin. 1990; 173(4): 155-65.
Malakooti MG, Nafisi M. Fertilizer use in rainfed and irrigated agricultural lands. Tarbiat Modarres University. 1994. (In Persian).
Malakooti MG, Tehrani MM. Micronutrients roll in maximizing crop yield and improving qualitative of agricultural products. Tarbiat Modarres University. 2001. (In Persian).
Morales F, Abadia A, Abadia J. Characterization of the xanthophylls cycle and other photosynthetic pigment changes induced by iron deficiency in sugar beet (beta vulgaris L.). plant physiology, 1990; 94: 607-613.
Ohki K. Manganese deficiency and toxicity effects on growth development and nutrient composition in wheat. Agron. J. 2001; 76: 213-218.
Rani P, Reddy MM. Effect of nitrogen and boron on yield component yield, and oil content of sunflower. J. of Research APAU. 1993; 39-41.
Sadeghzadeh Hemayati, S. Effect of Micronutrients Application on the Quantity and Quality of Sugar Beet Seed. Sugar beet Seed Institute. Final report. 2001. (in Persian)
Shaikhzadeh Mosadegh J. The effect of micronutrients spray on the quantitative and qualitative of Sugar Beet Seed. Final Report. Islamic Azad University Press. 2002; 57p. (in Persian)
sharman CP, Sanwal GG. Effect of Fe deficiency on the photosynthetic system of maize. Journal of plant physiology, 1992; 140: 527-530.
Shorrocks VM, Phil MA, Boil MI. Born deficiency: its prevention and cure. Borax Holding limited, London, Uk. 1991.
Sroller J, Pulkrabek J. 1979. Analysis of the seed yield structure in sugar beet. Sbornik _ Vysoke_Skoly_Zemedelski_V_ Praze, _ Fakulta _ Agronomick a,_A.1979; 31:177-178;7ref
Taleghani D. Evaluation and comparison of different resourses of zinc, iron and Bor composition on the quantitative and qualitative of Sugar Beet. Final Report. Sugar Beet Seed Institute. 1999; 764p. (In Persian).
Tisdale, SL, Nelson WL, Beaton JD. Soil fertility and fertilizers. 4th ed. Macmillan Publishing Company. New York. 1990.
Wang KR. Reasons for low germination rate of monogerm sugar beet seedand preliminary approach on measures for improving seed germination rate of monogerm. China Sugar beet. 1994; 1: 217-260.
Vik J, Ruzikova M. Trace elements in the nutrition of sugar beet (Betavulgaris L.). Abornik vysoke skoly zemedelske V praze Fakulta Agronomicka.1977; 1:217-26.
Wisniewski k, Sadowski H. Soil fertility versus yield and quality of sugar beet seeds Biultyn Instytutu Hodowli Aklimatyzacyi Roslin. 1991; 177:57-61.
Yazdi Samadi B, Rezaei A, Valizadeh M. Statistical designs in agriculture research. Tehran University. 1998. (in Persian).