Balyan, R. S., R. K. Malik, R. S. Panwar and S. Singh. 1991. Competition ability of winter wheat cultivars with wild oat. Weed Sci. 39: 154-158.
Berglund, D. R. 2002. Soybean Production Field Guide for North Dakota and Northwestern Minnesota. Published in cooperative and with support from the North Dakota Soybean Council, 136p.
Blackshaw, R.E. 2005. Nitrogen fertilizer, manure and compost effects on weed growth and competition whit spring wheat. Agron. J. 97: 1612-1621.
Bussan, A. and B. Maxwell. 2000. Grant submitted to Montana noxious weed trust fund. Montana State University. Ann. No. 4: 28-32.
Blackshaw. R. E. 2004. Application method of nitrogen fertilizer affects weed growth and competition with winter wheat. Weed Biol. Manag. 4: 103- 113
Bybordi, A. and M. J. Malakouti. 2007. Effects of zinc fertilizer on the yield and quality of two winter varieties of canola. Zinc crops; International Congress of Improving Crop Production and Human Health, 24– ۲۶ May, Istanbul, Turkey.
Cakmack, I. 2002. Plant nutrition research: Priorities to meet human needs for food in sustainable ways. Plant Soil. 247: 3-24
Cakmak I. 2008. Enrichment of cereal grains with zinc: Agronomic or genetic biofortification? Plant Soil 302:1-17.
Carlson, H. L. and J. E. Hill. 1985. Wild oats (Avena fatuaL.) competition with spring wheat: plant density effects. Weed Sci. 33, 176–۱۸۱٫
Carlson, H.L., and J.E. Hill. 1985. Wild oat (Avena fatua) competition with spring wheat: Effects of nitrogen fertilization. Weed S ci. 34,29-33.
Castro, M., C. J. Peterson., M. Dalla Rizza, P. DIaz Dellavalle, D. Vazquez, V. IbaNez and A. Ross. 2007. Influence of heat stress on wheat grain characteristics and protein molecular weight distribution. Develop. Plant Breed. 12: 365-371.
Chatterjee, C. and N. Khurana. 2007. Zinc stress–induced changes in biochemical parameters and oil content of mustard. Commun. Soil Sci. Plant Anal. 38: 751-761.
Chikoye, O., L. A. Hunt and C. J. Swanton.1996. Simulation of competition for photosynthetically active radiation between common rag weed (Ambrosia artemisiifolia) and bean (Phaseolus vulgaris). Weed Sci. 44: 545-554.
Christensen, S., Rasmussen, G., and Olesen, J.E. 1994. Differential weed suppress and weed control in winter wheat. Aspects of Applied Biology 20: 335-345.
Cousens,R. D, and D., Barnett, A. G. and Barry, G. C. 2003. Dynamics of competition between wheat and oats. Effects of changing the timing of phonological events.Agron. J. 95: 1295-1304.
Daugovish, o., Lyon, D. J. and Baltensperger, D. D. 1999. Cropping systems to control Winter annual grasses in winter wheat. Weed Tech. 13: 120-126.
Evans, L. T. and I. F. Wardlaw. 1976. Aspectsof the comparative physiology of grain yields in cereals Adv.Agron. J. 28: 301 – ۳۵۰٫
Exely, D.M. and R.W. Snaydon. 1992. Effect of nitrogen fertilizer and emergence date on root and shoot competition between wheat and blackgrass. Weed Res. 32: 175-182.
Gharineh, M.H., Ghassemi- Golezani, K., Bakhshandeh, A., Valizadeh, M., and Javanshir, A. 2004. Effects of seed density and seed quality of wheat cultivars on the growth and development of weeds. Agricultural Science 14(2): 21-29. (In Persian with English Summary).
Grundy, A.C., Mead, A., and Burston, S. 1999. Modeling the effect of cultivation on seed movement with application to the prediction of weed seedling emergence. Applied Ecology 36: 663-678.
Haefele, S. M., Johanson, D. E., Bodj, D. M., Wopereis, M. C. S. and Miezan, K. M. 2004. Field screening of diverse rice genotypes for weed competitivness in irrigated lowland ecosystems. Field Crop Research, 88:39-56.
Harries, M. and White, P. 2007. Integrated weed management in Western Australia,s fight against herbicide resistant weed. 6thEuropean Conference on Grain Legumes. Integrating legume biology for sustainable agriculture, 12 to 16 November, Lisbon Congress Centre, Portugal.
Hasan Zadeh-Delohi, M., H. Rahimian-Mashadi, M. Nasiri-Mahalati and Gh. Noormohammadi. 2002. The competition affects wild oat (Avena ludoviciana L.) on winter wheat (Triticum aestivum L.) at different densities. Iran. J. Crop Sci. 4(2): 116-127. (In Persian with English abstract).
Hassanzadeh Dalooie, M., Nassiri Mahallati, M., NourMohammadi, G., and Rahimian Mashhadi, H. 2003. The competitive effects of wild oat (Avena ludviciana L.) on winter wheat (Triticum aestivum L.) at different densities. Iranian Journal of Crop Science 4(2): 116-127. (In Persian)
Hassanzadeh Gorttapeh, A., A. Fathollahzadeh, A. Nasrollahzadeh-Asl and N. Akhondi. 2008. Agronomic nitrogen efficiency in different wheat genotypes in west Azerbijan province. E. J. Crop. Produc. 1(1) 82-100. (In Persian with English abstract).
Heitholt, J. J., J. J. Sloan and C. T. MacKown .2002. Copper, manganese, and zinc fertilization effects on growth of soybean on a calcareous soil. J. Plant Nutr. 25: 1727-1740.
Hemantaranjan, A. and O. K. Garg. 1988. Iron and zinc fertilization with reference to the grain quality of Triticum aestivum L. J. Plant Nutr. 11: 1439-1450.
Inamura, T., Miyagawa, S., Singvilay, o., Sipaseauth, N. and Kono, Y. 2003. competition between Weeds and wet season transplanted paddy rice for nitrogen use, growth and yield in the central and northern regions of Laos. Weed Biol. And Manage. 3:213-221.
Jafar-Nejad, A. and H. Rahimian Mashhadi. 2003. Study of competition between wheat (Triticum aestivum) cultivars, wild oat (Avena fatua) and Rocket (Eruca sativa). J. Agric. Sci. Natur. Resour. 10(1) 39-54. (In Persian with English abstract).
Jalal-Kamali, M. R. and E. Duveiller. 2008. Wheat Production and Research in Iran: A Success Story. P. 54-58. In M. P., Reynolds, J., Pietragalla and H. J. Braun (Eds.) proceeding of the International Symposium onWheat Yield Potential: Challenges to International Wheat Breeding. CIMMYT. Mexico.
Jamsom, M., S. Galeshi, M. H. Pahlavani and E. Zeinali. 2009. Evaluation of zinc foliar application on yield components, grain yield and grain quality of tow soybean cultivar in summer cultivation. J. Plant Prod. 16(1): 17-28.
Khalily Mahaleh, J. and M. Rashidi. 2008. Effect of foliar application of micro nutrients on quantitative and qualitative characteristics of 704 silage corn in Khoy. Seed and Plant. 24 (2): 281-293. (In Persian with English abstract).
Koscelny, J.A., Peeper, T.F., Solie, J.B., and Solomon, S.G. 1991. Seeding date, seeding rate, and row spacing affect wheat (Triticum aestivum) and cheat (Bromus secalinus). Weed Technology 5: 707-712.
Kropff, M.J., Bastiaans, L., and Cousens, R.D. 1999. Approaches used in the prediction of weed population dynamics. The Brighton Conference – Weeds, 15-18 November, British Crop Protection Council, Farnham, UK. Conference Proceedings 2: 399–۴۰۸٫
Lemerle, G. S., C. E. Gill., S. R. Morphy., R. D. Walker., S. Cousens., S. J. Mokhtari., R. Peltzer, and D. Y. Luckett. 2001;Genetic improvement and agronomy for enhanced wheat competitiveness with weeds. Aust. J. Agric. Res. 52:527-548.
Lewis, D. C. and J. D. McFarlane .1986. Effect of foliar applied manganese on the growth of safflower (Carthamus tinctorious L.) and the diagnosis of manganese deficiency by plant tissue and grain analysis. Aust. J. Agric. Res. 37: 567-572.
Malakuti, M. J. and M. N. Gheibi. 1999. Determination of Threshold of Nutritions in Strategic Crops andTrue Amount of Fertilization in Country. Agricultural Science Press. Department of Education andMobilization of Manpower. Department of Agriculture. (In Persian).