Alizade, A. (2004). Water quality in irrigation, Astane Ghodse Razavi Publication, 6th edition, P. 96.[In Persian].##Barihi, R., Panahpour, E. And Naseri, A. A.(2015). Examining temperature effect on the adsorption and desorption of cadmium from soil surfaces and the best adsorption equation. Journal of Biodiversity and Environmental Sciences, 6( 2), 472-478.##Emadzade A., Karimi M. H. and Bahreini T. H. (2004), "Educational needs assessment of Mashad University of Medical Sciences’ Managers in Management and leadership". Journal of Medical Education;4(2), 89-93.##Khodayari, M., HosseiniNasab, S.D. And Yari, J. (2014). Instructional Needs Assessment of Personnel Educational Services of Tabriz Islamic Azad University, Journal of Teaching and Evaluation, 7(25),13-28. [In Persian].##Khoshgoftarmanesh, A. H. (2007). Evaluation of plant nutrion status and optimum fertilizer management, Isfahan University of Technology Publication Center, First Publication, P. 157. [In Persian].##Mardani, E. and Pezeshki Rad, G. (2014). Estimating the educational needs of quality agricultural products, Iranian Journal of Agricultural Economics and Development, 45(3), 439-449. [In Persian].##Meteorological Organization of Khuzestan Province. (2015). Comprehensive Reports. [In Persian].##Mirgohar, M. and Movahed Mohammadi, H. (2008). Investigating and Prioritizing the Training and Extensional Needs of Wheat Producers by Measuring their Technical Knowledge level and performance, Iranian Agricultural Extension and Education Journal, 4(1), 61-72. [In Persian].##McCawley P.F. (2009). Methods for conducting a needs assessment guidelines for cooperative extension system professionals. University of Idaho Extension.##McClelland, S, A. (1992). "Systems Aapproach to Need Assessment Rraining and Development",46(8), 5.##Mirzaeikarzan A., Kikhavani S., Hosseinzade M., Aeivazi A. A. (2013). Educational Needs Assessment of Faculty Members at Ilam University of Medical Sciences, Journal of Medical Education Development, 6(11), 61-71. [In Persian].##Moradmand, M., Abdoli, S. and Moradmand, R. (2013). Greenhouse Engineering, Tehran publication, Sarva, Agriculture and Natural Resources Research Education, P. 344.##Panahpour, E., Ehtemaee, N., Nadian, H. and Moezzi, A.(2012). Assessment of Soil Phosphorus Availability Affected by Different Amounts of Phosphorus Fertilizers in Soils Under Sugarcane Culture in Khozestan Province of Iran, Advances in Environmental Biology, 6(4), 1634-1639.##Pourjavadkhah, H., Allahyari, M.S., Keshavarz, F. and Mohammadzadeh, M. (2016). Journal of Economic Growth and Development Research. 1(1), 83-92. [In Persian].##Rafiei, S. and Fakharzadeh, A.R. (2010). Biological Control of Pests and Plant Diseases, Journal of Engineering and Natural Resources, 7(26), 50-55. [In Persian].##Sarchami, R., Mohammadi N., Fallah Abed P., Zainalo A. and Javadi A. (2008). Educational needs of faculties about concepts of medical education from their viwpoints in Qazvin university of medical sciences. Journal of Meical Education and Development;3(3),16-22.##Spurlin J.E. (2007). Using needs assessment as a holistic means for improving technology Infrastructure. ELI Paper: 3, 1-10.##Taheri, M., Asadi, A.A. And Khoshrang, H. (2007). Educational needs assessment of faculty members in GUMS, Journal of Guilan University of Medical Sciences, (10). 21-28. [In Persian].##Tavakoli M., Rafiei H., Jafari F., Farhadi M.H. and Pakjoei S. (2012). Educational Need Assessment Concerning Long Term Courses of Substance Abuse in Iran, Journal of Rehabilitation, 12(5), 45-51. [In Persian].##