1.Alizadeh, A. 2011. Agricultural Climate and Aerology. Imam Reza University Press. 504p. (In Persian)
2.Asadi-Sanam, S., Pirdashti, H., Hashempour, A., Zavareh, M., Nematzadeh, G.A. and Yaghubian, Y. 2015a. The physiological and biochemical responses of eastern purple coneflower to freezing stress. Russ. J. Plant. Physiol. 4: 515-523.
3.Asadi-Sanam, S., Zavareh, Pirdashti,H., Sefidkon, F. and Nematzadeh, M. 2015b. Investigation of biochemicaland physiological responses to low temperature. Plant. Funct. Prod. J.4: 12. 11-28. (In Persian)
4.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.
5.Cerdo, R., Allinne, C., Gary, C., Tixier, P., Harvey, C.A., Clement, E., Aubertot, J.N. and Avelino, J. 2017. Effectof shade, altitude and managementon multiple ecosystem services incoffee agroecosystems. Europ. J. Agon. 82: 308-319.
6.De Wit, C.T. and Vanden Bergh, J.P. 1965. Competition between herbage plants. Netherlands. J. Agric. Sci.13: 212-221.
7.Dhima, K.V., Lithourgidis, A.A., Vasilakoglou, I.B. and Dordas, C.A. 2007. Competition indices of common vetch and cereal intercropping intwo seeding ratio. Field. Crop. Res.100: 249-256.
8.Eslami Khalili, F., Pirdashti, H. and Motaghian, A. 2011. Evaluation ofbarley (Hordeum vulgare L.) andfaba bean (Vicia faba L.) yield in different density and mixture intercropping via competition indices.J. Agroecol. 3: 1. 94-105. (In Persian)
9.Hosseinpanahi, A., Koocheki, A., Nasiri, M. and Ghorbani, R. 2009. Evaluation yield and component yield in potato/corn intercropping. Iranian J. Field. Crop. Res. 7: 1. 23-30. (In Persian)
10.Koocheki, A., Nassiri Mahallati, M., Khorramdel, S., Anvarkhah, S. and Sabet Teimouri Sanjani, S. 2010. Evaluation of growth indices of hemp (Cannabis sativa L.) and sesame (Sesamum indicum L.) in intercropping with replacement and additive series.J. Agroecol. 2: 1. 30-40. (In Persian)
11.Karegar, M., Jafarian, Z., Tamartash, R. and Alavi, S.J. 2015. The effects of some soil properties and topography on some functional traits of Stachys lavandulifolia Vahl. in Angemar rangeland, Lasem watershed. J. Rangeland. 8: 4. 342-350.
12.Krishnajah, D., Sarbatly, R. and Nithyanandam, R. 2011. A reviewof the antioxidant potential of medicinal plant species. Food Bioprod. Proc.89: 217-233.
13.Latati, M., Pansu, M., Drevon, J. and Ounane, S.M. 2013. Advantage of intercropping maize (Zea mays L.) and common bean (Phaseolus vulgaris L.) on yield and nitrogen uptake in Northeast Algeria. Int. J. Res. App. Sci. 1: 1-7.
14.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. Eur. J. Agron. 34: 287-294.
15.Luo, H., Wang, J., Chen, J. and Zou, K. 2011. Docking study on cholorogenic Acid as a potential H5F1 influenza A virus neuraminidase inhibitor. Medic. Chem. Res. 20: 554-557.
16.Miao, O., Rosa, R.D., Shi, H., Paredes, P., Zhu, L., Dai, J., Goncalves, J.M. and Pereira, L.S. 2016. Modeling water use, transpiration and soil evaporation of spring wheat, maize and sunflowerrelay intercropping, using the dualcrop coefficient approach. Agric. Water. Manage. 165: 211-229.
17.Mottaghian, A., Pirdashti, H., Akbarpour, V., Sarajpour, G., Yaghoubi Khanghahi, M. and Shariatnejad, S. 2016. Evaluation of basil (Ocimum basilicum L.) and sesame (Sesamum indicum L.) yield in different intercropping mixture via competition indices. J. Agroecol. 5: 3. 243-254.(In Persian)
18.Mrozikiewicz, P.M., Bogacz, A., Karasiewicz, M., Mikolajczak, P.L., Ozarowski, M.A.S., Mrozikiewicz, A., Czerny, B., Bobkiewicz-Kozlowska, T. and Grezeskowiak, E. 2010. Theeffect of standardized Echinacea purpurea extract on rat cytochrome P450 expression level. Phytomedicine. 17: 830-833.
19.Najar Firouzjaie, M., Hemmatie, K., Daraie, A. and Bagheri, A. 2014. Effect of altitude on morphological and leaf biochemical of nettle (Urtica dioica L.) in Mazandaran and Golestan provinces. Iranian J. Plant. Ecophysiol. Res.
25: 3. 1-11. (In Persian)
20.Omidbeygi, R. Cultivation and Processing of medicinal plants. Mashhad Astane Quds Razavi Press. 347p. (In Persian)
21.Oniszczuk, T., Gondek, E., Puk, K., Kocra, A., Kasprzak. K. and Wajtowicz, A. 2016. Active polyphenols compounds, nutrient contents and antioxidant capacity of extruded fish feed containing purple cone flower (Echinacea purpurea Moench.). Saud. J. Biol. Sci. 3: 24-32.
22.Orruo, E. and Morgan, M.R.A. 2011. Resistance of purified seed storage proteins from sesame (Sesamum indicum L.) to proteolytic digestive enzymes. Food Chem. 128: 923-929.
23.Pouramir, F., Koocheki, A., Nassiri Mahallati, S.A. and Ghorbani, R. 2010. Evaluation yield and components yield of sesame and pea in replacement series of intercropping. Iran. J. Field Crop Res. 8: 5. 757-767. (In Persian)
24.SAS Institute. 2004. SAS User’s Guide: Statistics, Version 9.1. SAS Institute Inc., Cary. NC, USA.
25.Sujatha, S. and Bhat, R. 2010. Response of vanilla (Vanilla planifolia A.) intercropped in arecanut to irrigation and nutrition in humid tropics of India. Agric. Water. Manage. 97: 988-994.
26.Tong, Y., Gabriel-Neumann, E., Krumbein, A., Ngwene, B., George, E. and Schreiner, M. 2015. Interaction effects of arbuscular mycorrhizal fungi and intercropping with sesame (Sesamum indicum) on the glucosinolate profile in broccoli (Brassica oleracea var. Italica). Environ. Exp. Bot.109: 288-295.
27.Tsai, Y.L., Chiou, S.Y., Chan,K.C., Sung, J.M. and Lin, S.D. 2012. Caffeic acid derivatives, total phenols, antioxidant and antimutagenic activities of Echinacea purpurea flower extracts. LWT-Food Sci. Tech. 46: 169-176.
28.Wang, Z., Wu, P., Zhao, X., Gao, Y. and Chen, X. 2015. Water use and crop coefficient of the wheat–maize strip intercropping system for an arid region in northwestern China Agric. Water. Manage. 161: 77-85.
29.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. Afric. J. Biotech.7: 22. 4056-4067.
30.Yang, F., Liao, D., Wu, X., Gao, R., Fan, Y., Reza, M.A., Wang, X., Yong, T., Liu, W., Liu, J., Du, J., Shu, K. and Yang, W. 2017. Effect of aboveground and belowground interactions on the intercrop yields in maize-soybean relay intercropping systems. Field Crop Res. 203: 16-23.
31.Yilmaz, S., Atak, M. and Erayman,M. 2008. Identification of advantagesof maize-legume intercropping over solitary cropping through competition indices in the East Mediterranean region. Turk. J. Agric. Forest.32: 111-119.
32.Zhang, G., Yang, Z. and Dong, S. 2011. Interspecific competitiveness affects the total biomass yield in an alfalfa and corn intercropping system. Field Crop Res. 124: 66-73.