- Aghajanlou, F. and Ghorbani, A., 2015. Investigating some effective environmental factors on distribution of Ferula gummosa and Ferula ovina species in Shilandar mountainous rangeland of Zanjan. Journal of Rangeland, 9(4): 407-419.
- Arzani, H., 2012. Forage quality and daily requirement of livestock grazing on pasture. Tehran University Press, 278p.
- Azhir, F. and Shahmoradi, A. A., 2007. Autecology of Ferula ovina Boiss. In Tehran Province. Iranian Journal of Range and Desert Research, 14(3): 359-367.
- Bagherzadeh, K., Kiani Abri, M. and Davazdeh Emami, S., 2007. Investigating relative preference of utilization and gum export of Ferula assa-foetida L. industrial medicinal plant. Third Congress of Medicinal Plants, Shahed University, 3-11.
- De la Rosa, J. Liebner, F., Pour, G., and Knicker, H., 2013. Partitioning of N in growing plants, microbial biomass and soil organic matter after amendment of N-ammonoxidized lignins. Soil Biology & Biochemistry, 60:125-133.
- Gholami, B. A. and Faravani, M., 2014. Effects of different cutting methods and times of cutting on growth performance and Gum Resin production of Ferula assa-foetida. Journal of Agricultural Sciences, 59(1): 35-44.
- Golmohammadi, F., 2013. Medical plant of Ferula assa-foetida and its cultivating, main characteristics and economic importance in South Khorasan province- east of Iran. Technical Journal of Engineering and Applied Sciences, 3(18): 2334-2346.
- Jafari, M., Zare Chahouki, M. A., Tavili, A. and Kohandel, A., 2006. Soil-vegetation relationship in rangelands of Qom province. Journal of Pajouhesh & Sazandegi, 73: 110-116.
- Jafari Haghighi, M., 2003. Soil analysis, sampling and important physical and chemical analysis method with emphasis on theory and application basics. Nedaye Zoha Press, 240p.
- Kavoosi, G. and Rowshan, V., 2013. Chemical composition, antioxidant and antimicrobial activities of essential oil obtained from Ferula assa-foetida oleo-gum-resin: effect of collection time. Journal of Food Chemistry, 138: 2180-2187.
- Kia, F., Tavili, A. and Javadi, S. A., 2011. Relationship between some rangeland species distribution and environmental factors in Charbagh region of Golestan province. Journal of Rangeland, 5(3): 292-301.
- Khederzadeh, S., Samiei, M., Mobaraki, A., Ezeddinloo, L. and Haghi, H. A., 2017. Genetic comparison of Iranian Asafetida (Ferula assa-foetida L.) populations based on cpDNA Ribosomal protein L16 intron. International Journal of Agriculture Innovations and Research, 5(4): 577-583.
- Moghaddam, M. and Farhadi, N., 2015. Influence of environmental and genetic factors on resin yield, essential oil content and chemical composition of Ferula assa-foetida L. populations. Journal of Applied Research on Medicinal and Aromatic Plants, 2: 69-76.
- Mozaffarian,V., 2007. Flora of Iran, Umbeliferae. Research Institute of Forests and Rangelands Publications, Iran, 387 p.
- Mirzaei Mousavand, A., Ghorbani, A., Zare Chahouki, M. A., Keivan Behjou, F. and Sefidi, K., 2016. Effective environmental factors on distribution of Prangos ferulacea Lindl. species in rangelands of Ardebil Province. Journal of rangeland, 10(2): 191-203.
- Omidbaigi, R. and Pirmoradi, M. R., 2006. A study of the effect of root diameter and incision time on gum yield in medicinal-Rangeland Asafoetida (Ferula assa-foetida L.) plant. Iranian Journal of Natural Resources, 58(4): 261-269.
- Pirmoradi, M. R., 2012. Morphological, Physiological, Phytochemical and Genetical evaluation of Asafoetida in Kerman province. Ph.D. Thesis, Horticulture Science, Faculty of Agriculture, Tarbiat Modares University, 167 Pp.
- Safaeian, R., Azarnivand, H., Jafari, M. and Azadi, S., 2007. The role of environmental factors in sustainable utilization strategy of Prangos ferulacea rangelands based on edaphic and topographical factors (Case study: Prangos ferulacea Rangelands in North of Fars province). Journal of rangeland, 3(2): 190-202.
- Sharifi Yazdi, M., Shahmoradi, A., Zarekia, S. and Khodashenas, M., 2009. Autecology of Ferula oopoda (Boiss & Buhse). Iranian Journal of Range and Desert Research, 15(4): 447-454.
- Sheidai Karkaj, E., Mofidi Chelan, M., Akbarlou, M. and Motamedi, J., 2013. Investigation on changes in soil organic matter and nutrient elements under various grazing intensities (Case study: Chaharbagh mountain rangelands of Golestan province). Iranian Journal of Range and Desert Research, 20(4): 720-723.
- Sperry, J. S. and Hacke, U. G., 2002. Desert shrub water relations with respect to soil characteristics and plant functional type. Journal of Functional Ecology, 16: 367-378.
- Tahir, M., Khrshid, M., Khan, M., Abbasi, M. and Kazemi, M., 2010. Lignite-Derived Humic Acid effect on growth of Wheat Plantsin different soils. Journal of Pedosphere, 21(1): 124-131.
- Velichko, V., Tikhomirov, A., Ushakova, S., Tikhomirova, N., Shihov, V. and Tirranen, L., 2011. Production characteristics of the "higher plants-soil-likesubstrate" system as an element of the bio regenerative life support system. Advances in Space Research, 9p.
- Yao, R., Yang, J., Gao, P., Zhang, J. and Jin, W., 2013. Determining minimum data set for soil quality assessment of typical salt-affected farmland in the coastal reclamation area. Soil & Tillage Research, 128: 137-148.
- Yazdanshenas, H., Jafari, M., Azarnivand, H. and Arzani, H., 2015. Investigating productivity and utilization of Tragacanth gum on the basis of soil characteristics in Tiran and Kroun rangelands (Isfahan). Journal of rangeland, 9(3): 207-221.