Alloway, B.J. (2004). Zinc in soils and crops nutrition. International Zinc Association (IZA). Brussels, Belgium. 127 p.
Aref, F. (2009). Effect of zinc and boron on yield and concentration of nitrogen, phosphorous and potassium in the corn grain, Iran Agriculture of Science, 5(2), 134-153. (in Farsi)
Baybordi, A. (2006). Zinc in Soils and Crop Nutrition. Parivar Press First Edition, P 179. (in Farsi)
Bagci, S.A., Ekiz, H., Yilmaz, A. & Cakmak, I. (2007). Effect of zinc deficiency and drought on grain yield of field-grown wheat cultivars in central Anatolia. Journal of Agronomy and Crop Science, 193, 189-206.
Berenger, M.J. & Faci, J.M. (2001). Sorghum yield compensation processes under different plant densities and variable water supply. European Journal of Agronomy, 15, 43-55.
Bhadoria, P.B.S., Kaselowsky, J. & Claassen, N.(1991). Soil phosphate diffusion coefficients: their dependence on phosphorus concentration and buffer power. Soil Science Society of America Journal, 55, 56-60.
Brennan, R.F. (2007). Effectiveness of zinc sulfate and zinc chelate as foliar sprays in alleviating zinc deficiency of wheat grown on zinc-deficient soils in Western Australia. Australian Journal Experimental Agriculture, 31, 831-834.
Brown, P.H., Cacmak, I. & Zhang, Q. (1993). Form and function of zinc in plants. In: A. D. Robson (Ed). Zinc in Soil and Plants. Kluwar Academic Publishers. Dordecht, The Netherland, P: 93-106.
Bukvic, G., Antunovic, M., Popovic, S. & Rastija, M. (2003). Effect of P and Zn fertilization on biomass yield and its uptake by maize lines (Zea mays L.). Plant Soil Environment, 49, 505-510.
Cakir, R. (2004). Effect of water stress at different development stages on vegetative and reproductive growth of corn. Field Crop Recearch, 86, 95-113.
Cakmak, I., Kalayci, M., Ekiz, H., Braun, H.J. & Yilmaz, A. (1999). Zinc and human nutrition in Turkey: NATO. Science for Stability Project. Field Crops Research, 60, 175-188.
Cakmak, I. (2009). Enrichment of fertilizers with zinc: An excellent investment for humanity and crop production in India. Journal of Trace Elements in Medicine and Biology, 23, 281-298.
Classen, M.M. & Shaw, R.H. (1970). Water deficit effects on corn .II.Grain component. Agronomy Journal, 62, 652-655.
Costa, J.O., Ferreira, L.G.R. & Souza, F.D.E. (1988).Yield of maize under different levels of water stress. Field Crop Recearch, 91-183.
Dehghanian, M. & Madandust, M. (2000). Chelate effect on drought resistance in wheat. Journal of Science and Technology of Agriculture and Natural Resources, 12(45), 393-400. (in Farsi)
Eghball, B., Sander, D.H. & Skopp, J. (1990). Diffusion, adsorption and predicted longevity of banded phosphorus fertilizer in three soils. Soil Science Society America Journal, 54, 1161-1165.
FAO. (2013). Agriculture Biodiversity in FAO. From http://www.fao.org/ biodiversity.
Goksoy, A.T., Demir, A.O., Turan, Z.M. & Dagustu, N. (2004). Responses of sunflower to full and limited irrigation at different growth stages. Filed Crops Research, 87, 167-178
Hagin, J. & Tucker, B. (1982). Fertilization of Dryland and Irrigated Soils. Spring-Verlag, New York, 188 p.
Hammantaranjan, A. (1996). Physiology an biochemical significance of zinc in plants. Advancement in Micronutrient Research, 151-178. Hamantaranjan, A. (Ed). Scientific Publishers, Joudhpur, Rajasthan, India.
Hekmat Shoar, H. (1994). Plant Physiology in Difficult Conditions. Publication Translation of. 251 pages. (in Farsi)
Hosseini, S.H. (2004). Response of rice, corn, and wheat to Zn and B in a alcareous soil, PhD. thesis, Agricultural College, Shiraz University. (in Farsi)
Hugh, J.E. &. Davids, R.F. (2003). Effect of drought stress on leaf and while canopy radiation use efficiency and yield of maize. Agronomy Journal, 95, 688-696.
Ihsan, M., Mahmood, A., Mian, M.A. & Cheema, N.M. (2007). Effect of different method of fertilizer application to wheat after germination under rainfed conditions. Journal of Agriculture Research, 45(4), 277-281.
Kafi, M.E., Zand, B., Kamkar, H., Sharifi, R. & Goldani, M. (2000). Plant Physiology, Jihad-e-Daneshgahi of Mashhad Publisher, pp: 379. (in Farsi)
Kim, K.K., Jordan, D.G. & MacDonald, A. (1989). Entrobactera gglomerans, phosphate solublizing bacterial activity in soil: Effect of carbon sources. Soil Biology and Biochemistry, 89, 995-1003.
Lauer, J. (2003). What happens within the corn plant when drought occurs? Corn Agronomist, 10(22), 153-155.
Lopez Pereira, M., Berney, A., Hall, A. & Trápani, N. (2008(. Contribution of pre anthesis photoassimilates to grain yield: its relationship with yield in Argentine sunflower cultivars released between 1930 and 1995. Field Crops Research, 105(1-2), 88-96.
Ludlow, M.M. & Muchow, R.C. (1990). A critical evaluation of traits for improving crop yields in water limited environmens. Advances in Agronomy journal, 21, 337-344.
Majidian, M., Ghalavand, A. & Karimian, N. (2008). Effects of water stress, nitrogen fertilizer and organic manure on chlorophyll meter readings, grain yield and yield components of corn hybrid 704. Iranian Journal of Crop Sciences, Page 8. (in Farsi)
Malakouti, M.J. (2007). Zinc is a neglected element in the life cycle of plants. Middle Eastern and Russian Journal of Plant Science and Biotechnology, 1(1), 1-12. (in Farsi)
Malakouti, M.J. (1990). The role of micronutrients in increasing agricultural production. Olive magazine. Special pesticide use reduction and efficient use of fertilizers. Department of Agriculture. Tehran. Iran, 16-25. (in Farsi)
Manojlovis, S. (1983). Possiblities of increasing the production of corn in the chernozem zone of yogoslavia (Vojodina) by zinc application. Efficient Use of Fertilizers in Agriculture, 331-350.
Marschner, H. (1995). India Nutrition of Higher Plants. Academic Press, London. pp. 301-306.
Mirza Shahi, K. (2011). Effect of phosphorus fertilizer application on yield and P uptake in the northern Khozestan. Journal of Crop Physiology, Islamic Azad University, 4(13), 99-114. (in Farsi)
Mohammad, A.M., Aslam, S.A., Rozina, G. & Sajjad, K. (2006). Response of Wheat to foliar application of nutrients. Department of Agronomy, NWFP Agricultural University, Peshawar Pakistan. Agricultural Research institute, Quetta Balochista Pakistan.
Mosavi, R. (2012). Effects of sowing date and on farm of seed priming on germination properties and yield of Maize in Hammedan. MSc Thesis, College of Agriculture, Bu-Ali Sina University. Hamedan, Iran. (in Farsi)
Ohashi, Y., Nakayama, N., Saneoka, H., Mohapatra, P.K. & Fujita, K. (2009). Differences in the responses of stem diameter and pod thickness to drought stress during the grain filling stage in soybean plants. Acta. Physiology Plant Journal, 31(2), 271-277.
Pandey, N., Pathak, G.C. & Sharma, C.P. (2006). Zinc is critically required for pollen function and fertilization in lentil. Journal of Trace Elements in Medicine and Biology, 20, 89-96.
Rafiei, M., Nadian, H., Noor Mohammadi, GH. & Karimi, M. (2000). Effect of drought stress and zinc and phosphorus concentrations and total uptake in corn. Journal of Agricultural Science, 35(1), 243-235. (in Farsi)
Romheld, V. & Marschner, H. (1991). Function of Micronutrients in Plants. Micronutrient in agriculture. Madison, W. I. SSSA, P. 297-328.
Roshdi, M., Heydari Sharifabad, H., Karimi, M., Noor Mohammadi, G. & Darvish, F.A. (2006). Survey on the impact of water deficiency over the yield of sunflower seed cultivar and its components. Journal of Agricultural Sciences, 12(1), 110-120. (in Farsi)
Tariq, M., Rozina, G., Fazal, M., Fazal, J., Zahid, H., Nadia, N., Hamayoon, Kh. & Hayatullah, Kh. (2011). Effect of different phosphorus levels on the yield and yield components of maize. Sarhad Journal Agriculture, 27, 165-170.
Verma, K.C. & Abidi, A.B. (2009). Effect of phosphorus and molybdenum on biochemical, yield and yield attributing parameters of Indian mustard (Brassica juncea L.). African Journal of Basic and Applied Sciences, 1, 67-69.
Viola, G., Ganesh, M., Reddy, S.S. & Kumar, C.V.S. (2003). Studies on correlation and path coefficient analysis of elite baby corn (Zea mays L.) lines. Progress in Agriculture, 182(3), 22-24.
Vitosh, M.L., Warncke, D.D. & Lucas, R.E. (1994). Secondary and Micronutrients for Vegetable and Field Crops. Extension Bulletin E-486, Michigan State University Extension Service, 18 p.
Westage, M.E. & Boyer, J.S. (1998). Reproduction at low silk an pollen water potentials in maize. Corp Science, 26, 951-956.
Xiong, L., Schumakher, K.S. & Zhu, J.K. (2002). Cell signaling during cold, drought and salt stress. The Plant Cell Journal, 14, 165-183.