Agegnehu, G., Ghizaw, A., and Sinebo, W. 2006. Yield performance and land use efficiency of barley and faba bean mixed cropping in Ethiopian highlands. Agronomy Journal 25: 202-207.
Alizadeh, Y., Koocheki A., and Nassiri Mahallati, M. 2010. Evaluation of radiation use efficiency of intercropping of bean (Phaseolus vulgaris L.) and herb sweet basil (Ocimum basilicum L.). Agroecology 2(1): 94-104. (In Persian with English Summary)
Amani Machiani M., Javanmard A., Morshedloo, M.R., and Maggi, F. 2018. Evaluation of yield, essential oil content and compositions of peppermint (Mentha piperita L.) intercropped with faba bean (Vicia faba L.). Journal of Cleaner Production 171: 529-537.
Caruthers, K., Pithviraj, B., Cloutier, D., Martin, R.C., and Smith, D.L. 2000. Intercropping corn with soybean, lupin and forages: yield component response. European Journal of Agronomy 12: 103-115.
Chapagain, T., and Riseman, A. 2014. Barley-pea intercropping: Effects on land productivity, carbon and nitrogen transformations. Field Crops Research 166: 18-25.
Dabbagh Mohammadi Nasab, A., Amon, T., and Kaul, H.P. 2011. Competition and yield in intercrops maize and sunflower for biogas. Industrial Crops and Products 34: 1203-1211.
Daneshmand, AR., Shirani Rad, A.H., and Ardakani, M.R. 2006. Evaluation of water deficit stress on tolerance of spring rapeseed (Brassica napus L.) genotypes. Journal of Agronomy Research 1: 48-60.
Dhima, K.V., Lithourgidis, A.S., Vasilakoglou, I.B and Dordas, C.A. 2007. Competition indices of common vetch and cereal intercrops in two seeding ratio. Field Crops Research 100: 249-256.
Eslami Khalili, F., H. Pirdashti, and Motaghian, A., 2011. Evaluation of barley (Hordeum vulgare L.) and faba bean (Vicia faba L.) yield in different density and mixture intercropping via competition indices. Journal of Agroecology 3(1):94-105 (In Persian with English Summary)
Ghanbari, A., Ghadiri, H., Ghaffari Moghadam, M., and Safari, M. 2010. Evaluation of intercropping maize (Zea mays L.) and squash (Cucurbita pepo L.) and effect on weeds control. Iranian Journal of Crop Science 41(1): 43-55. (In Persian with English Summary)
Grimes, D.W., Yamada, H., and Hughes, S.W. 1987. Climate-normalized cotton leaf water potentials for irrigation cheduling. Agriculture and Water Management 12: 293-304.
Hamzei, J., Seyedi, M., Ahmadvand, G., and Abutalebian, M.A. 2012. The effect of additive intercropping on weed suppression, yield and yield component of chickpea and barley. Journal of Crop Production and Processing 2(3): 43-56 (In Persian with English Summary)
Ibrahim, M., Ayub, M., Maqbool, M.M., Nadeem, S.M., Haq, T., Hussain, S., Ali, A., and Lauriault, L.M. 2014. Forage yield components of irrigated maize-legume mixtures at varied seed ratios. Field Crops Research 169:140-144.
Koocheki, A., Nasiri Mahallati, M., Borumand Rezazadeh, Z., Jahani, M., and Jafari, L. 2014. Yield responses of Black Cumin (Nigella sativa L.) to intercropping with chickpea (Cicer arietinum L.) and bean (Phaseoluse vulgaris L.). Iranian Journal of Field Crops Research 12(1): 1-8. (In Persian with English Summary)
Lamei Harvani, J. 2013. Assessment of dry forage and crude protein yields, competition and advantage indices in mixed cropping of annual forage legume crops with barley in rainfed conditions of Zanjan province. Iranian Journal of Seed and Plant Production 29(2): 169-183. (In Persian with English Summary)
Lithourgidis, A.S., Vlachostergios, D.N., Dordas, C.A., and Damalas, C.A. 2011. Dry matter yield, nitrogen content, and competition in pea-cereal intercropping systems. European Journal of Agronomy 34: 287-294.
Mabudi Bilesuar, H., and Zehtab Salmasi, S. 2017. Evaluation of yield and advantages of corn (Zea mays L.) and sweet basil (Ocimum basilicum L.) intercropping. Journal of Sustainable Agriculture and Production Science 27(1): 1-11.
Mashhadi, T., Nakhzari, A., and Sabouri, H. 2015. Investigation of competition indices in intercropping of wheat (Triticum aestivum L.) and chickpea (Cicer arietinum L.) under nitrogen consumption. Journal of Agroecology 7: 344-355. (In Persian with English Summary)
Mead, R., and Willey, R.W. 1980. The concept of a land equivalent ratio and advantages in yields for intercropping. Experimental Agriculture 16: 217-228.
Mojtabaie Zamani, M., and Norouzi, SH. 2017. Evaluation of different intercropping patterns of barley (Hordeum vulgare L.) and faba bean (Vicia faba L.) through competitive and Economic indices. Journal of Crop Production and Processing 7(3): 145-158. (In Persian with English summary)
Mosapour, H., Ghanbari, A., Sirousmehr, A.R., and Asgharipour, M.R. 2015. Effect of sowing time on seed yield, advantage and competitive indices in ajwain (Carum copticum L.) and isabgol (Plantago ovata Forsk.) intercropping. Iranian Journal of Crop Sciences 17(2): 139-152. (In Persian with English Summary)
Motaghian, A., Pirdashti, H., Akbarpour, V., Sarajpour, G., Yahgoubi Khanghahi, M., and Shariatnejad, S. 2013. Evaluation of basil (Ocimum basilicum L.) and sesame (Sesamum indicum L.) yield in different intercropping mixturesvia competition indices. Journal of Agroecology 5(3): 243-254. (In Persian with English Summary)
Nakhzari Moghaddam, A., Dehghanpour Inchehbron, O., and Rahemi Karizaki, A. 2017. The effects of nitrogen levels and intercropping pattern on forage yield and competition indices of barley and pea. Journal of Plant Production Research 9(1): 199-214. (In Persian with English Summary)
Niksirat, H., Biganzadeh, E., and Naderi, R. 2018. Effect of Cutting off Irrigation on Yield and Competition and Economic Indices of Intercropping Barley (Hordeum spp.) with Legumes. Journal of Agroecology 10(2): 444-458. (In Persian with English Summary)
Piroozi, B., Hosseini, S.M.B., Mazaheri, D., and Heidari, H. 2012. Evalution of sowing time and intercropping on vegetative and reproductive traits of bean (Phaseolus vulgaris) and biological yield of forage maize (Zea mays). Agronomy Journal (Pajouhesh and Sazandegi) 104: 62-68. (In Persian with English Summary)
Rezaei-Chianeh, E., Tajbakhsh, M., Valizadegan, O., and Banaei-Aai, F. 2014. Evaluation of different intercropping patterns of cumin (Cuminum cyminum L.) and lentil (Lens culinars L.) in double crop. Journal of Agroecology 5(4): 462-472. (In Persian with English Summary)
Stolz, E., and Nadeau, E. 2014. Effect of intercropping on yield, weed incidence, forage quality and soil residual N inorganically grown forage maize (Zea mays L.) and faba bean (Vicia faba L.). Field Crops Research 169: 21-29
Tosti G, Benincasa, P., and Giuiducci, M. 2010. Competition and Facilitation in Hairy vetch- Barley intercrops. Italian Journal of Agronomy Rivista di Agronomia 3: 239-247.
Vandermeer, J. 1989. The Ecology of Intercropping. Cambridge University Press, Cambridge, UK pp 67.
Yang F, Huang S., Gao, R., Liu, W., Yong, T., Wang, X., Wu, X., and Yang, W. 2014. Growth of soybean seedling in relay strip intercropping systems in relation to light quantity and red: far- red ratio. Field Crops Research 155: 245-253.
Zadokes, J.C., Chang, T.T., and Konzak, C.F. 1974. A decimal code for the growth stages of cereals. Weed Research 14: 415-421.
Zhang, L., Van der werf, W., Zhang, S., Li, B., and Spiertz, J.H.J. 2007. Growth, yield and quality of wheat & cotton in relay strip intercropping system. Field Crops Research 103: 178-188.