Aguyoh, J.N. and Masiunas, J.B. 2003. Intreference of redroot pigweed (Amaranthus retroflexus) with snap beans. Weed Sci. 51: 202-207.
Ahmadi, A.R., Rashed Mohasel, M.H., Baghestani Meybodi, M. and and Rostami, M. 2004. Effect of critical period of weed competition on yield, yield components and morpho-physiological characteristics of common bean (Phaseolus vulgaris L.) CV. Derakhshan. Entomol. Phytopathol. 72: 31- 49. (In Persian with English Summary).
Amador-Ramirez, M.D., Wilson, R.G. and Martin, A.R. 2001. Weed control and dry bean (Phaseolus vulgaris) response to in-row cultivation, rotary hoeing and herbicides. Weed Tech. 15: 429-436.
Ateh, C.M. and Doll, J.D. 1996. Spring-planted winter rye (Secale cereale) as a living mulch to control weeds in soybean (Glycine max). Weed Tech. 10: 347-353.
Baghestani Meybodi, M.A., Ahmadi, A.R., Rashed Mohasel, M.H. and Rostami, M. 2004. Effect of critical period of weed competition on yield, yield components and morpho-physiological characteristics of common bean (Phaseolus vulgaris L.) CV. Derakhshan. Entomol. Phytopathol. 72: 31- 49. (In Persian with English Summary).
Blackshaw, R.E. 1991. Hairy nightshade (Solanum sarrchoides) interference in dry beans (Phaseolus vulgaris). Weed Sci. 39: 48-53.
Bosnic, A. And Swanton, C.J. 1997. Influence of barnyardgrass (Echinochloa crus-galli L.) time of emergence and density on corn (Zea mays). Weed Sci. 45: 276-282.
Chaab, A., Fathi, G., Siadat, S.A., Zand, E. and Anafje, Z. 2009. The interference effects of natural weed population on growth indices of corn (Zea mays L.) at different plant densities. Iranian Agric. Res. 7 (2): 391- 400. (In Persian with English Summary).
Chikoye, D., Weise, S.F. and Swanton, C.J. 1995. Influence of common ragweed (Ambrosia artemisiifolia) time of emergence and density on white bean. Weed Sci. 43 (3): 375-380.
Dadashi, F., Zafarian, F., Abbasi, R. and Behmanyar, M.A. 2015. Effect of Soybean and wheat cover crops on weed control and yield in corn under different sources of fertilizer. J. Plant Prot. 29 (3): 388- 399.
Den Hollander, N.G., Bastiaanse, l. and Kropff, M.J. 2007. Clover as a cover crop for weed suppression in an intercropping design I. Characteristics of several clover species. Eur. J. Agron. 26: 92-103.
Erman M, Tepe I, Bukun B, Yergin R and Taskesen M, 2008. Critical period of weed control in winter lentil under non-irrigated conditions in Turkey. Afr. J. Agric. Res. 3: 523–530.
Ghamari, H., Ahmadvand, G., Aboutalebian, M.A. and Jahedi, A. 2011. Effect of different period of weed competition on red bean (Phaseoulus vulgaris L.) in Hamedan. National Conference of New Achievements in Agriculture. Tehran, Iran. (In Persian).
Ghanbari, A. and Taheri Mazandarani, M. 2003. Effects of planting arrangement and weed control on yield and yield components of red bean (Phaseolus vulgaris L.) CV. Akhtar. 19 (1): 37- 47. (In Persian).
Graham D.L., Steiner J.L., and Wicse A.F. 1988. Light absorption and competition in mix sorghum-pig weed communities. Agron. J. 80: 415-418.
Hargood, E.S., Bauman J.T., Williams J.L. and Schreiber M.M. 1991. Growth analysis of soybean (Glycine max L.) in competition with Jimson weed (Datura stramonium L.). Weed Sci. 29: 500-504.
Karimi, M.M. and Siddique, K.H.M. 1991. Crop growth and relative growth rates of old and modern wheat. Aust. J. Agric. Res. 42: 13-20.
Koocheki, A. and Sarmadnia, G. (Translated). 1998. Physiology of crop plants. Gardner, F.P., Brent Pearce, R. and Mitchell, R.L. Jahad Daneshgahi Mashhad Press. Mashhad, Iran.
Kue, S. and Jellum, E. J. 2002. Influence of winter cover crop and residue management on soil nitrogen availability and corn yield. Agron. J. 94: 501-508.
Lal, R. 1998. Mulching effects on runoff, soil erosion, and crop response on alfisols in Western Nigeria. J. Sustain. Agric. 11: 135-153.
Mitich, L.W. 1997. Red root pig weeds (Amaranthus retroflexus). Weed Tech. 11: 199-202.
Mohler, C.L. and Teasdale, J.R. 1993. Response of weed emergence to rate of Vicia villosa Roth and Secale cereale L. residue. Weed res. 33: 487-489.
Ngouajio, M. and Mennan, H. 2005. Weed populations and pickling cucumber (Cucumis sativus) yield under summer and winter cover crop systems. Crop Prot. 24: 521-526.
Oliveira, P,D., Nascente, A.S. and Kluthcouski, J. 2013. Soybean growth and yield under cover crops. Revista Ceres Vicosa. 40 (2): 249-256.
Sadeghi, H. and Kazemeini, S.A. 2011. Investigation of physiological characteristics in two varieties of barley (Hordeum vulgare L.) and the soil moisture percentage in response to the residue management and nitrogen level in rain-fed condition. Iranian Agric. Res. 9(3): 544- 556. (In Persian).
Safahani, A., Kamkar, B., Zand, E., Bagherani, N. and Bagheri, M. 2007. The effect of growth indices in competitive ability of some canola (Brasica napus) cultivars against wild mustard (Sinapis arvensis). Journal of Iranian Field Crop Research. 5: 301- 313. (In Persian).
Samdani, B. and Montazeri, M. 2009. Iranian Research Institute of Plant Protection Press. Tehran, Iran.
Van Acker, R.C., Swanton, C.J. and Weise, S.F. 1993. The critical period of weed control in soybean (Glycine max L.). Weed Sci. 11: 199-202.
Van Acker R.C., Weise S.F., and Swanton C.J. 1993. Influence of interference from a mixed weed species stand on soybean (Glycine max L.) growth. Can. J. Plant Sci. 73: 1293-1304.
Wicks, G.A., Crutchfield, D.A. and Burnside, O.C. 1994. Influence of wheat (Triticum aestivum) straw mulch and metolacholor on corn (Zea mays) growth and yield. Weed Sci. 42: 141-147.