Anwar, M., Patra, D.D., Chand, S., Alpesh, K., Naqvi, A. A. and Khanuja, S. 2005. Effects of organic manures and inorganic fertilizer on growth herb and oil yield, nutrient accumulation and oil quality of Ferench basil. Commun. Soil Sci. Plant Anal. 36: 1737- 1746.
Alizadeh, Y., Koocheki, A. and Nassiri Mahallati, M. 2010. The study of agronomic characteristics yield, yield components and weed control potential of bean (Phaseolus vulgaris L.) and vegetative basil (Ocimum basilicum L.) in intercropping condition. J. of Agroeco 3: 383-397.(In Persian with English summary).
Banik, P. 1996. Evaluation of wheat (Triticum aestivum) and legume intercropping under 1:1 and 2:1 row replacement series system. J. Agron. Crop Sci. 175: 189–194.
Banik, P., Midya, A., Sarkar, B.K. and Ghose, S.S. 2006. Wheat and chickpea intercropping systems in an additive series experiment: Advantages and weed smothering. Eur. J. Agron. 24: 325–332.
Carruthers, K., Cloutier, D. and Smith, D.L. 1998. Intercropping corn with soybean, lupin and forages: weed control by intercrops combined with inter row cultivation. Eur. J. Agron. 8: 225–238.
Carlson, H.L. and Hill, J.E. 1986. Wild oat (Avena fatua) competition with spring wheat: effects of nitrogen fertilization. Weed Sci. 34: 29-33.
Chaeechi, M.R. and Daryaee, F. 2008. The evaluation of yield sorghum forage and alfalfa in intercropping and its effect on weed population dynamics. Iran. J. Crop Sci. 39: 137-143. (In Persian with English summary).
Chetty, C.K., Reddy, M.N.1987. Ageneral proposal for ranking intercrop treatments. India. J. Agric. Sci. 57: 64–65.
Dhima, K.V., Lithourgidis, A.A., Vasilakoglou, I.B., and Dordas, C.A. 2007. Competition indices of common vetch and cereal intercropping in two seeding ratio. Field Crops. Res. 100: 249-256.
Evans, S.P., Kenezevic, S.Z., Lindquist, J.L., Shapiro, C.A. and Blankenship, E.E. 2003. Nitrogen application influences the critical period for weed control in corn. Weed Sci. 51: 301-306.
Ghanbari, A., Ghadiri, H., Ghafarimoghadam, M. and Safari, M. 2010. Investigation of corn (Zea mays L.) and squash (Cucurbita sp.) and its effect on weed control. Iran. J. Crop Sci. 41: 43-55. (In Persian with English summary).
Hiebseh, C. K. and Mecollum, R.E. 1987. Area× time equivalency ratio: A method for evaluating the productivity of intercrops. Agron. J. 799: 15-22.
Jamshidi, Kh., Mazaheri, D., Majnoon Hossaini, N., Rahimian Mashhadi., H. and Payghambari, A. 2011. The Effect of maize and cowpea intercropping on weed suppression. Iran J. Crop Sci. 42: 233-241. (In Persian with English summary).
Jeranyama, P. and Harwood., R.R. 2000. Relay intercropping of sun hemp and cowpea into a smalholder maize system in Zimbabwe. Agron. J. 92: 239-244.
Koocheki, A., Shabahang, J., Khoramdel, S., Aminghafuri, A. 2011. The effect of different row intercropping of european borage (Borag officinalis L. (and bean (Phaseolus vulgaris L.). Iran J. Agric. Ecol. 4: 1-11. (In Persian with English summary).
Ledgard, S. F. 1991. Transfers of fixed nitrogen from white clover to associated grasses in swards grazed by dairy cows estimated using 15 N methods. Plant & soil Sci. 131: 215-223.
Li, L., Tang, C., Rengel, Z. and Zhang, F.S., 2002. Chickpea facilitates phosphorus uptake by intercropped wheat from an organic phosphorus source. Plant Soil. 248: 297–303.
Peterson, D.E. and Nalewaja, J.D. 1992. Environment influence green foxtail (Setaria viridis) competition with wheat (Triticum aestivum). Weed Technol. 6: 607-610.
Poggio, S.L. 2005. Structure of weed communities occurring in monoculture and intercropping of field pea and barley. J. Agric, Eco. Environ. 109: 48–58.
Sanjani. S., Hossaini, M. B., Chaeechi, M. R. and Rezvanibidokhti., Sh. 2009. Evaluation of yield and yield components in additive intercropping of sorghum (Sorghum bicolor L.) and cowpea (Vigna unguiculata L.) on population and weed biomass in full and less irrigation condition. Ecolo. Agric. 3: 25- 35.
Singh, V.P., Chattersee, B.N. and Singh, D.V. 1989. Response of mint specie to nitrogen fertilization. Agric. J. Sci.36: 267- 271.
Tollenaar, M. S., Nissanka, P., Aguilera, A., Weise, S. F. and Swanton, C. J. 1994. Effect of weed interference and soil nitrogen on four maize hybrids. Agron. J. 86: 596-601.
Vaez-Zadeh, A. 1984. Best mixed culture ratio of berseem colver and grasses to produce optimum quantity and quality of forage and LER. Proceedings of 3th Agronomy Congress of Iran. P. 31. Tabriz University, Tabriz. (In Persian with English summary).
Willey, R.W. 1979. Intercropping its importance and research needs. I. Competition and yield advantages. Field Crop Abst. 32: 1–10.
Willey, R.W. and Rao, M.R.,1980. Acompetitive ratio for quantifying competition between intercrops. Expl. Agric. 16: 105–117.
Xu, B., Shan, L., Zhang, S., Deng, X. and Li, F. 2008. Evaluation of switch grass and sainfoin intercropping under 2:1 row-replacement in semiarid region, northwest China. Afri. J. Biotech. 7: 4056-4067.
Yilmaz, S., Atak, M. and Erayman, M. 2008. Identification of advantages of maize-legume intercropping over solitary cropping through competition indices in the East Mediterranean region. Tur. J. Agric. Fore. 32: 111-119