Adesina, A.A. 1996. Factors affecting the adoption of fertilizers by rice farmers in Côte d’Ivoire. Nutrient Cycling in Agroecosystems 46 (1): 29-39.
Agricultural Jihad Organization of Gonabad. 2018. Available at Web site http://www.koaj.ir (verified 21 January 2018).
Akca, H., Sayili, M., and Yilmazcoban, M. 2007. Rural awareness of environmental issues: the case of Turkey. Polish Journal of Environmental Studies 16 (2):177-182.
Arslan, A., Belotti, F., and Lipper, L. 2017. Smallholder productivity and weather shocks: Adoption and impact of widely promoted agricultural practices in Tanzania. Food Policy 69: 68-81.
Babcock, B.A., and Hennessy, D.A. 1996. Input demand under yield and revenue insurance. American Journal of Agricultural Economics 78 (2): 416-427.
Bagheri, A., and Shahpasand, M. 2010. Attitudes of potato farmers toward sustainable agricultural practices in Ardabil plain. Iranian Journal of Agricultural Economics and Development Reseach 41 (2): 231-242. (In Persian).
Bagheri, A. 2010. Potato farmers' perceptions of sustainable agriculture: the case of Ardabil province of Iran. Procedia Social and Behavioral Sciences 5 (1): 1977-1981.
Bagheri, A., Shabanali Fami, H., Rezvanfar, A., Asadi, A., and Yazdani, S. 2008. Perceptions of Paddy farmers towards sustainable agricultural technologies: Case of Haraz Catchments area in Mazandaran province of Iran. American Journal of Applied Sciences 5 (10): 1384-1391.
Bruening, T.H., and Rollins, T.J. 1990. Perceptions of Pennsylvania farm operators regarding selected soil and water conservation practices. Department of Agricultural and Extension Education, The Pennsylvania State University, University Park, Pennsylvania.
Chianu, J.N., and Tsujii, H. 2004. Determinants of farmers’ decision to adopt or not adopt inorganic fertilizer in the savannas of northern Nigeria. Nutrient Cycking in Agroecosystems 70 (1): 293-301.
Customs of Islamic Republic of Iran. 2016. Available at Web site http://www.irica.gov.ir (verified 15 January 2018).
Emmanuel, D., Owusu-Sekyere, E., Owusu, V., and Jordaan, H. 2016. Impact of agricultural extension service on adoption of chemical fertilizer: Implications for rice productivity and development in Ghana. Wageningen Journal of Life Sciences 79 (1): 41–49.
Etim, N.N.A. 2015. Adoption of inorganic fertilizer by urban crop farmers in Akwa Ibom state, Nigeria. American Journal of Experimental Agriculture 5 (5): 466-474
Farahi, N. 2016. Assessment of consumption method of chemical inputs and its relationship with environmental ethic viewpoint among garden holders of Gorgan County. M.Sc. thesis, Faculty of agricultural management, University of agricultural sciences and natural resources of Gorgan, Iran. (In Persian with English Summary).
FAO. 2008. Conservation Agriculture. Available at www.fao.org/ag/ca/. Last accessed December 16, 2008.
Freeman, H.A., and Omiti, J.M. 2003. Fertilizer use in semi-arid areas of Kenya: analysis of smallholder farmers’ adoption behaviour under liberalized markets. Nutrient Cycking in Agroecosystems 66 (1): 23-31.
Golmohammadi, F. 2014. Saffron and its farming, economic importance, export, medicinal characterisitics and various uses in South-Khorasan province-East of Iran. International Journal of Farming and Allied Sciences 3 (5): 566-596.
Greene, W.H., and Hensher, D.A. 2010. Modeling Ordered Choices: A primer. Cambridge University Press.
Haji-Rahimi, M., and Torkamani, J. 2003. Assessment of the role of agriculatural sector’s growth in economic growth of Iran, Application of path analysis. Agricultural Economics and Development 42 (1): 71-90. (In Persian).
Horowitz, J.K., and Litchtenberg, E. 1993. Insurance, moral hazard, and chemical use in agriculture. American Journal of Agricultural Economics 75 (1): 926-935.
Ma, Y., Chen, Liding., Zhao, X., Zheng, H., and Lu, Y. 2009. What motivates farmers to participate in sustainable agriculture? Evidence and policy implications. International Journal of Sustainable Development and World Ecology 16 (6): 374-380.
Marenya, P.P., and Barrett, C.B., 2007. Household-level determinants of adoption of
improved natural resources management practices among smallholder farmers
in western kenya. Food Policy 32 (4): 515–536.
Martey, E., Wiredu, A.N., Etwire, P.M., Fosu, M., Buah, S.S.J., and Bidzakin, J. 2014. Fertilizer adoption and use intensity among smallholder farmers in Northern Ghana: A case study of the AGRA Soil Health Project. Sustainable Agriculture Research 3 (1): 24-36.
Mccann, E., Sullivan, S., Erickson, D., and Young, R.D. 1997. Environmental awareness, economic orientation, and farming practices: A comparison of organic and conventional farmers. Environmental Management 21 (5): 747-758.
Ministary of Agriculture Jihad. 2015. The MAJ database. Available at Web site http://www.maj.ir. (verified 5 December 2015).
Mishra, A.K., Nimon, R.W., and El-Osta, H. 2005. Is moral hazard good for the environment? Revenue insurance and chemical input use. Journal of Environmental Management 74 (1): 11–20.
Mohtashami, T., Karbasi, A., and Zandi Dare Gharibi, B. 2016. Economic analysis and comparison of technical efficiency in small and large saffron farms of Khorasan Razavi Province. Saffron and Agronomy Technology 4 (2): 119-132. (In Persian with English Summary).
Nambiro, E., and Okoth, W. 2013. What factors influence the adoption of inorganic fertilizer by maize farmers? A case of Kakamega District, Western Kenya. Scientific Research and Essays 8 (5): 205-210.
Napier, T.L., Thraen, C.S., and Camboni, S.M. 1988. Willingness of land operators tp participate in government-sponsored soil erosion control programs. Journal of Rural Studies 4 (4): 339-347.
Power, E.F., Kelly, D.L., and Stout, J. 2013. Impacts of organic and conventional dairy farmer attitude, behaviour and knowledge on farm biodiversity in Ireland. Journal for Nature Conservation 21 (1): 272–278.
Rahman, S. 2003. Environmental impacts of modern agricultural technology diffusion in Bangladesh: an analysis of farmers’ perceptions and their determinants. Journal of Environmental Management 68 (1): 183–191.
Sadati, S.A., Shabanali-Fami, H., Asadi, A., and Sadati, A. 2010. Farmer’s attitude om sustainable agriculture and its determinants: A case study in Behbahan County of Iran. Research Journal of Applied Sciences, Engineering and Technology 2 (5): 422-427.
Shahnoushi, N., Firouz, A., Zhale-Rajabi, M., Daneshvar, M., and Dehghanian, S. 2012. The use of the order logit model in an investigation of the effective factors on bread waste. Journal of economic research 46 (3): 11-132. (In Persian).
Shahpasand, M. 2016. Investigating the relationship between technical knowledge in the fed area and fertilizer usage by Iranian farmers in the city of Bajestan in Khorasan province: A case study. Iranian Journal of Agricultural Economics and Development Reseach 46 (2): 749-763. (In Persian).
Shams, A., Vedadi, E., and Ahmadi, Z. 2015. Study of farmers’ attitude towards sustainable agriculture and its relation with their chemical input use in Asadabad township. Iran Agricultural Extension and Education Journal 11 (1): 197-210. (In Persian with English Summary).
Sharghi, T., Sedighi, H., and Eftekhati, A.R. 2010. Effective factors in achieving sustainable agriculture. American Journal of Agricultural and Biological Sciences 5 (2): 235-241.
Sharifzade, M. 2014. Entrepreneurial sustainable agriculture: in search of a facilitating
approach for developing entrepreneurial agro-Enterprises. Journal of Entrepreneurship in Agriculture 1 (1): 103-129. (In Persian with English Summary).
Tatlidil, F.F., Boz, I., and Tatlidil, H. 2009. Farmers’ perception of sustainable agriculture
and its determinants: a case study in Kahramanmaras province of Turkey. Environment, Development and Sustainability 11 (1): 1091-1106.
United Nations Industrial Development Organization (UNIDO). 2014.
Thuo, M., Bravo-Ureta, B., Hathie, I., and Obeng-Asiedu, P. 2017. Adoption of chemical fertilizer by smallholder farmers in the peanut basin of Senegal. African Journal of Agricultural and Resource Economics 6 (1): 1-6.
Tosan, M., Alizadeh, A., Ansari, H., and Rezvani Moghadam, P. 2015. Evaluation of yield and identifying potential regions for saffron (Crocus sativus L.) cultivation in Khorasan Razavi province according to temprature parameters. Saffron and Agronomy Technology 3 (1): 1-12. (In Persian with English Summary).
Waithaka, M.M., Thornton, P.K., Shepherd, K.D., and Ndiwa, N. 2007. Factors affecting the use of fertilizers and manure by smallholders: the case of Vihiga, western Kenya. Nutrient Cycling in Agroecosystems 78 (1): 211-224.
White, H. 1980. A hetroskedasticity-consistant covariance matrix estimator and a direct test for hetroskedasticity. Econometrica 48: 817-838.
Yazdanpanah, M., Hayati, D., Hochrainer-Stigler, Stefan., and Zamani, G.H. 2014. Understanding farmers’ intention and behavior regarding water conservation in the Middle-East and North Africa: A case study in Iran. Journal of Environmental Management 135 (1): 63-72.
Zhou, Y., Yang, H., Mosler, H.J., and Abbaspour, K.C. 2010. Factors affecting farmers’ decisions on fertilizer use: A case study for the Chaobai watershed in Northern China. The Journal of Sustainable Development 4 (1): 80-102.
Zulfiqar, F., and Thapa, G.B. 2017. Agricultural sustainability assessment at provincial level in Pakistan. Land Use Policy 68 (1): 492–502.
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