Alipour, H. (2000). Investigation and determination of land suitability for Faryab horticultural products in educational and research farms of faculty of agriculture, University of Tehran. Faculty of Agricultural Engineering and Technology Department of Soil Science, 1-134.
Amirinejad, A. A., Kamble, K., Aggarwal, P., Chakraborty, D., Pradhan, S., and Mittal, R. B. (2011). Assessment and mapping of spatial variation of soil physical health in a farm. Geoderma, 160(3), 292-303.
Andrews, S. S., Karlen, D. L. and Mitchell, J. P. (2002). A comparison of soil quality indexing methods for vegetable production systems in Northern California. Agriculture, ecosystems & environment, 90(1), 25-45.
Anderson, T. H. (2003). Microbial eco-physiological indicators to asses soil quality. Agriculture, Ecosystems & Environment, 98(1), 285-293.
Chen, L., Messing, I., Zhang, S., Fu, B., and Ledin, S. (2003). Land use evaluation and scenario analysis towards sustainable planning on the Loess Plateau in China, case study in a small catchment. Catena, 54(1), 303-316.
Doran, J. W. (2002). Soil health and global sustainability: translating science into practice. Agriculture Ecosystems and Environment 88, 119–127.
Doran, J. W., Parkin, T. B. (1994). Defining and assessing soil quality. In: Doran, J.W., Coleman, D.C., Bezdicek, D.F., and Stewart, B.A. (Eds.) Defining soil quality for a sustainable environment, SSSA Special Publication. Soil Science Society of America, Madison, Wisconsin, 35: 3-21.
Fathizadeh, M. (2016). Assessment of soil quality in in educational and research farms of faculty of agriculture, University of Tehran. Faculty of Agricultural Engineering and Technology
Karlen, D. L. and Stott, D. E. (1994). Framework for evaluating physical and chemical indicators of soil quality. 53-72.
Khormali, F., & Nabiollahi, K. (2009). Degradation of Mollisols in western Iran as affected by land use change. Journal of Agricultural Science and Technology, 11, 363-374.
Legaz, B.V., De Souza, D.M., Teixeira, R.F.M., Antón, A., Putman, B. and Sala, S., (2017). Soil quality, properties, and functions in life cycle assessment: an evaluation of models. Journal of cleaner production, 140, pp.502-515.
Page, A. L., Miller, R. H., Keeney, D. R., Baker, D. E., Ellis, R. and Rhoades, J. D. (1982). Methods of soil analysis. eds (No. 631.41 MET 9-2 1982.
Papendick, R. I., and Parr, J. F. (1992). Soil quality the key to a sustainable agriculture. American Journal of Alternative Agriculture, 7(1-2), 2-3.
Qi, Y., Darilek, J. L., Huang, B., Zhao, Y., Sun, W., Gu, Z. (2009). Evaluating soil quality indices in an agricultural region of Jiangsu Province, China. Geoderma, 149(3–4), 325-334.
Rahimi, S., Afyuni, M., Khoshgoftarmanesh, A. H., Noruzi, M. (2015). Assessment of Soil Quality Index with Zinc Fertilizer and its Concentration Wheat Grain. JWSS.; 19 (71) :47-57. (in farsi)
Shukla, M. K., Lal, R., and Ebinger, M. (2006). Determining soil quality indicators by factor analysis. Soil and Tillage Research, 87(2), 194-204.
Vasu, D., Singh, S. K., Ray, S. K., Duraisami, V. P., Tiwary, P., Chandran, P., Nimkar, A. M. and Anantwar, S. G. (2016). Soil quality index (SQI) as a tool to evaluate crop productivity in semi-arid Deccan plateau, India. Geoderma, 282, pp.70-79.
Yang, K., Jun Zhua, J., Yana, Q., Sunc, O. (2010). Changes in Soil P Chemistry as Affected by Conversion of Natural Secondary Forests to Larch Plantations.