Baghestani, M. A., Zand, E., Soufizadeh, S., Eskandari, A., Pourazar, R., Veysi, M., and Nassirrzadehh, N. 2007. Efficacy evaluation of some dual purpose herbicide to control weeds in mays (Zea mays L.). Crop Prot. 26: 939–942.
Blackshaw, R. E., O’Donovan, J.T., Harker, K.N., Clayton, G.W., and Stougaard, R.N. 2006. Reduced herbicide doses in field crops: a review. Weed Biol. Manag. 6: 10–17.
Brain, P., Wilson, B. J., Wright, K. J., Seavers, G. P. and Caseley, J. C. 1999. Modelling the effect of crop and weed on herbicide efficacy in wheat. Weed Res. 39: 21–35.
Burnham, K.P., and D.R. Anderson. 2002. Model Selection and Inference: A Practical Information-Theoretical Approach. New York: Springer-Verlag.
Cathcart, R. J., Chandler, K., and Swanton, C. J. 2004. Fertilizer nitrogen rate and the response of weeds to herbicides. Weed Sci. 52: 291–296.
Christensen, S. 1994. Crop:weed competition and herbicide performance in cereal species and varieties. Weed Res. 34: 29–36.
Costea, M., Weaver, S. E. and Tardif, J.F., 2003. The biology of Canadian weeds. 130. Amaranthus retroflexusL., A. powellii S.Watson and A. hybridus L. Canadian J. of Plant Sci.
DuPunt Agricultural Products (Basic manufacturer), 1995. Toxicology Network: Nicosulfuron. Pesticide Information Project of Cooperative Extension Offices of Cornell University, Michigan State, University, Oregon State University, and University of California at Davis the Extension, www.pmep.com
Fitt, G. P. 1989. The ecology of heliothis species in relation to agroecosystems. Annu. Rev. Entomol. 34: 17–52.
Frederick, J. R. and Camberato, J.J. 1995. Water and nitrogen effects on winter wheat in the south-eastern coastal plain. II. Physiological responses. Agron. J. 87: 527– 533.
Griffiths, G. P. 1968. The effect of nitrogenous fertilizer upon the selective use of herbicides as an aid to influencing sward composition. In: Proceedings of the 1968 Ninth British Weed Control Conference. London, UK. 461–465.
Hearn, A. B. and Fitt, G. P. 1992. Cotton cropping systems. Page 85-142. In C. J. Pearson, ed. Ecosystems of the world. 18: Field Crop Ecosystems. Amsterdam: Elsevier.
Heemst, H. D. 1985. The influence of weed competition on crop yield. Agricultural systems. 18: 81–93.
Holloway, P.J., D. Bowdler, and J.C. Caseley. 1980. Effect of environment on the physicochemical properties of couch grass (Agropyron repens). In: Long Ashton Report 1979, (ed. Abbot, A.J.), 100–102. LongAshton Research Station, Bristol,UK.
Holm, L., Doll, J., Holm, E., Pancho, J. and Herberger J. 1996. World weeds, Natural histories and Distribution. John wiley & sons, Ins.
Jornsgard, B., Rasmussen, K., Hill, J. and Christiansen, J.L. 1996. Influence of nitrogen on competition between cereals and their natural weed population. Weed Res. 36: 461–470.
Kim, D.S., Marshall, E. J. P., Caseley, J. C., and Brain, P. 2006. Modelling interactions between herbicide and nitrogen in terms of weed response. Weed Res. 46: 490–501.
Lemerle, D., Verbeek, B., and Coombes, N. E. 1996. Interaction between wheat (Triticum aestivum) and diclofop to reduce the cost of annual ryegrass (Lolium rigidum) control. Weed Sci. 44: 634–639.
Lindquist, J. L., Barker, D. C., Knezevic, S.Z., Martin, A. R., and Walters, D.T. 2007. Comparative nitrogen uptake and distribution in corn and velvetleaf (Abutilon theophrasti). Weed Sci. 55: 102–110.
Lutman, P. J. W., Sagar, G. R., Marshall, C. and Headford, D.W. R. 1974. The influence of nutrient status on paraquat activity. Weed Res. 14: 355–363.
McWhorter, C.G. 1971. Control of johnsongrass ecotypes. Weed Sci. 19: 229–239.
Nelder, J. A. 1966. Inverse polynomials, a useful group of multifactor response functions. Biometrics. 22: 128–141.
Nojavan, M. 2001. Principles of weed control. Urmia University Publisher, Urmia, Iran. 340 pp. (In Persian).
Pfeiffer, R. K. and Holmes, H. M. 1961. A study of the competition between barley and oats as influenced by barley seed rate, nitrogen level and barban treatment. Weed Res. 1: 5–18.
Richards, M. C. 1993. The effects of agronomic factors on competition between cereals and weeds: the implications in integrated crop production. In: Proceedings 1993 Brighton Crop Protection Conference-Weeds, Brighton, UK. 991–996.
Rooney, J. M., Clarkson, D. T., Highett, M., Hoar, J. J. and Purves, J.V. 1990. Growth of Galium aparine L. (cleavers) and competition with Triticum aestivum L. (wheat) for N. In: Proceedings of EWRS Symposium 1990: Integrated weed management in cereals. Helsinki, Finland. 271–280.
Salonen, J. 1992. Efficacy of reduced herbicide doses in spring cereals of different competitive ability. Weed Res. 32: 483–491.
Streibig, J. C. 1980. Models for curve fitting herbicide dose response data. Acta Agriculturae Scandinavica. 30: 59–64.
Tollenaar, M., Nissanka, S. P., Aguilera, A., Weise, S. F., and Swanton, C. J. 1994. Effect of weed interference and soil nitrogen on four corn hybrids. Agron. J. 86: 596–601.
Weaver, S. E., Warwick, S. I. 1984. The biology of Canadian weeds. 64. Datura stramonium L. Canadian J. of Plant Sci.
Wolf, D. E., Vermillion, G., Wallace, A. and Ahlgren, G.H. 1950. Effects of 2,4-D on carbohydrate and nutrient-element content, and on rapidity of kill of soybean plants growing at different nitrogen levels. Botanical Gazette. 112: 188–197.
Wright, K. J. and Wilson, B. J. 1992. Effects of nitrogen on competition and seed production of Avena fatua and Galium aparine in winter wheat. Aspects of Applied Biology. 30: 1051–1058.
Wright, K. J., Seavers, G. P., Peters, N.C.B. and Marshall, M.A. 1999. Influence of soil moisture on the competitive ability and seed dormancy of Sinapis arvensis in spring wheat. Weed Res. 39: 309–318.
Zareh, A. 2009. Evaluation of the integrated weed management systems in Maize (Zea mays). M.Sc. dissertation, University of Tehran, Iran (In Persian with English Abstract).