Abdpour, A., Heydari sarban, V., and Tarabi, N. 2016. Investigating the economic and social factors affecting farmers' willingness to accept Cultivation of organic garlic in Hamedan province. Journal of Rural Research and Planning 5 (1): 33-48.
Agricultural Jahad of Khorasan Razavi Province. 2017. Available at Web site https://koaj.ir/
Aligholi, F., Ajili, A., Yazdanpanah, M., and Forouzani, M. 2016. Factors affecting the adoption and rejection of safety crops in the Khuzestan. Iranian Journal of Agricultural Economics and Development Research 47 (1): 169-180. (In Persian with English Summary).
Armak, A., Farzi, H., and Alipanah, M. 2018. Impact of use of different sources of humic, bio and nano fertilizers and nitrogen levels on saffron (Crocus sativus L.) flower yield. Saffron Agronomy and Technology 5 (4): 329-344. (In Persian with English Summary).
Azam, M.S., and Shaheen, M. 2018. Decisional factors driving farmers to adopt organic farming in India: a cross-sectional study. International Journal of Social Economics 46 (4): 562-580.
Bartlett, E., Kotrlik, J., and Hiiggiinss, C. 2011. Organizational research: Determining appropriate sample size in survey research. Information Technology, Learning, and Performance Journal 19 (1): 43-50.
Cukur,T., Kizilaslan, N., and Kizilaslan, H. 2019. Analysis of the factors affecting the adoption of organic farming in Turkey: the case of Samsun Province. Applied Ecology and Environmental Research 17 (6): 14001-14008.
Drinkwater, L.E. 2009. Ecological knowledge: Foundation for sustainable organic agriculture. In Francis, Charles. Organic Farming: The Ecological System 19: 173-176.
Ghorbani, M., and Radmehr, R. 2019. Applied Microeconometrics. Ferdowsi University of Mashhad Publications, First Edition. (In Persian).
Ghorbani, M., Koochaki, A.R., Rajabzadeh, M., and Mansori, H. 2014. Investigating the desire to receive farmers in Khorasan Razavi province to produce organic greenhouse cucumbers. Journal of Agricultural Economics and Development 28 (2): 149-156. (In Persian with English Summary)Haddadi, SH., Yazdani, S., and Saleh, E. 2017. Investigating factors affecting adoption of organic cucumber cultivation by farmers in Alborz province. Iranian Journal of Agricultural Economics and Development Research 48 (3): 369-378. (In Persian with English Summary)
Heckman, J. 1976. The common structure of statistical models of truncation, sample selection and limited dependent variables and a simple estimator for such models. Economic and Social Measurement 5 (4): 475-492.
Kings, D., and Ilbery, B. 2012. Farmers’ attitudes towards organic and conventional agriculture: A behavioral perspective. Organic Food and Agriculture New Trends and Developments in the Social Sciences 145-168.
Lapple, D., and Rensburg, T. 2011. Adoption of organic farming: Are there differences between early and late adoption?. Ecological Economics 70: 1406-1414.
Mir lotfi, M., and Pahlavan, A. 2012. Investigating the factors affecting farmers' attitudes towards organic agriculture, a case study of the city of Hirmand. The Fourth National Conference on Geography. (In Persian).
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 Agronomy and Technology 4 (2): 119-132. (In Persian with English Summary).
Saba, A., Reed, H., and Butler, T. 2014. Attitudes towards organic foods and risk, benefit perception associated with pesticides Institutes. The Journal of Agricultural Education and Extension 13 (7): 155-182.
Salasya, B.D.S. 2005. Crop production and soil nutrient management: an economic analysis of households in western and central Kenya. PhD Thesis, Development Economics Group, Wageningen University, the Netherlands.
Sandooghi, A., Amini, A.A., and Yousefi, A. 2016. Measurement of the factors affecting the healthy and organic cucumber consumers in Isfahan using empirical selection method. Journal of Agricultural Economics and Development 29 (2): 139-149. (In Persian with English Summary)
Savari, M., Ebrahimi-Maymand, R., and Mohammadi-Kanigolzar, F. 2013. The Factors influencing the application of organic farming operations by farmers in Iran. Agris on-linePapers in Economics and Informatics2 (3): 179-187. (In Persian with English Summary)
Shahpouri, A.R., Ghorbani, M., Dourandish, A., and Kohansal, M.R. 2014. Organic saffron position in the future household consumption basket and effective structures (Case study). Saffron Agronomy and Technology 2 (3): 107-114. (In Persian with English Summary)
Soltani, S., and Alikhani, A. 2014. Socio-economic factors affecting the adoption of organic farming in Iran. The Second National Congress on Organic and Conventional Agriculture, University of Mohaghegh Ardabili. (In Persian).
Stuart, D., Schewe, R.L., and Mc Dermott, M. 2014. Reducing nitrogen fertilizer application as a climate change mitigation strategy: understanding farmer decision-making and potential barriers to change in the US. Land Usee Policy 36: 210-218.
Sutton, M. A., Oenema, O., Erisman, J. W., Leip, A., van Grinsven, H., and Winiwarter, W. 2011. Too much of a good thing. Nature 472: 159-161.
Yadavar, H., Nami, M., and Zarifiyan, SH. 2018. Applying the analysis of planned behavior theory on adoption of organic farming. Journal of Agricultural Science and Sustainable Production 28 (1): 169-183. (In Persian with English Summary)
Yadi Heryadi, D., Insan Noor, T., Deliana, Y., and Hamdani, J. 2018. Assessing the performance and factors affecting organic rice agribusiness sustainability. International Journal of Development Research 8 (11): 24110-24115.
Yazdanpanah, M., and Forouzani, M. 2015. Willingness of Iranian young adults to eat organic foods: Application of the Health Belief Model. Food Quality and Preference 41: 75-83. (In Persian with English Summary)
Zulfiqar, F., and Thapa, G.B. 2017. Agricultural sustainability assessment at provincial level in Pakistan. Land Use Policy 68 (1): 492-502.