Andrews, S.S., Karlen, D.L., & Mitchell, J.P. (2002a). A comparison of soil quality indexing methods for vegetable production systems in Northern California. Agriculture, Ecosystems and Environment, 90, 25–45.
Andrews, S.S., Karlen, D.L., & Cambardella, C.A. (2004). The soil management assessment framework: a quantitative soil quality evaluation method. Soil Science Society of America Journal, 68, 1945–1962.
Andrews, S.S., Mitchell, J.P., Mancinelli, R., Karlen, K.L., Hartz, T.K., Horwath, W.R., Pettygrove, G.S., Scow, K.M., & Munk, D.S. (2002b). On-farm assessment of soil quality in California's central valley, Agronomy, 94, 12–23.
Anonymous. (1988). Reconnaissance Soil Survey of Sarab Plain. Soil and Water Research Institute No. 749, Karaj, Iran. (in Persian with English abstract)
Anonymous. (1991). Proceedings of the International Conference on the Assessment and Monitoring of Soil Quality. Conference Report and Abstracts, Rodale Press, Emmaus, PA, USA.
Anonymous. (2015). Science and Research Laboratory for the Soil and Water. Depaco Corp., Tabriz, Iran.
Armenise, E., Redmile-Gordon, M.A., Stellacci, A.M., Ciccarese, A., & Rubino, P. (2013). Developing a soil quality index to compare soil fitness for agricultural use under different managements in the Mediterranean environment. Soil and Tillage Research, 130, 91–98.
Askari, M.S., & Holden, N.M. (2014). Indices for quantitative evaluation of soil quality under grassland management. Geoderma, 230, 131–142.
Banaie, M.H. (1998). The Map of Soil Moisture and Temperature Regimes of Iran. Soil and Water Research Institute, Karaj, Iran. (in Persian with English abstract).
Bastida, F., Jose Luis, M., Teresa, H., & Carlos, G. (2006). Microbiological degradation index of soils in a semiarid climate. Soil Biology and Biochemistry, 38, 3463–3473.
Biswas, J.C., Kalra, N., Maniruzzaman, M., Naher, U.A., & Haque M.M. (2019). Soil health assessment methods and relationship with wheat yield. Open Journal of Soil Science, 9, 189–205.
Biswas, S., Hazra, G.C., Purakayastha, T.J., Saha, N., Mitran, B., Roy, S.S., Basak, N & Mandal, B. (2017). Establishment of critical limits of indicators and indices of soil quality in rice-rice cropping systems under different soil orders. Geoderma, 292, 34–48.
Brejda, J.J., Karlen, D.L., Smith, J.L., & Allan, D.L. (2000). Identification of regional soil quality factors and indicatoress in Northern Mississippi Loess Hills and Palouse Prairie. Soil Science Society of America Journal, 64, 2125–2135.
Carlson, C.G., Gelderman, R., Clay, D.E., & Reitsma, K.D. (2019). Managing saline and sodic soils for wheat production. Pp.165-172. In: Carlson, C.G., Gelderman, R., Clay, D.E., & Reitsma, K.D. (eds). Best Management Practices. South Dakota State University Extension, South Dakota, USA.
Cherubin, M.R., Karlen, D.L., Cerri, C.E.P., Franco, A.L.C., Tormena, C.A., Davies, C.A., & Cerri, C.C. (2016). Soil quality indexing strategies for evaluating sugarcane expansion in Brazil. PLOS One, 1–26.
Damiba, W.A.F., Gathenya, J.M., Raude, J.M., & Home, P.J. (2024). Soil quality index (SQI) for evaluating the sustainability status of Kakia-Esamburmbur catchment under three different land use types in Narok County, Kenya, Heliyon, 10, 1–24.
da Silva, A.P., Kay, B.D., & Perfect, E. (1994). Characterization of the least limiting water range of soils. Soil Science Society of American Journal, 58(6), 1775–1781.
D’Hose, T., Cougnon, M., Vliegher, A.D., Vandecasteelea, B., Viaene, N., Cornelis, W., Bockstaele, E.W. & Reheul, D. (2014). The positive relationship between soil quality and crop production: A case study on the effect of farm compost application. Applied Soil Ecology, 75, 189–198.
Dexter, A.R., (2004a). Soil physical quality; Part I. Theory, effects of soil texture, density, and organic matter, and effects on root growth, Geoderma, 120, 201–214.
Ditzler, C.A., & Tugel, A.J., (2002). Soil quality field tools of USDA-NRCS soil quality institute.
Agronomy Journal, 94, 33–38.
Doran, J.W., & Jones, A.J. (1996). Methods for assessing soil quality. Soil Science Society of America, SSSA Special Publication No 49, Madison, WI, USA.
Doran, J.W., & Parkin, B.T. (1994). Defining and assessing soil quality. In: Doran, J.W., and Coleman, D.C., Bezdicek, D.F., & Stewart, B.A. (Eds).
Defining soil quality for a sustainable environment. Soil Science Society of America, Special publication No 35, Madison, Wisconsin, USA.
Faiziasl, V., Valizadeh, G.h., Toshih, V., Ashraftalei, A., & Bliss, V. (2003). Determining critical levels of micronutrients for dryland wheat in the Northwest of Iran. Journal of Agricultural Sciences of Iran, 5(4), 236–249. (in Persian with English abstract).
Fenton, O., Vero, S., Schulte, R.P.O., O’Sullivan. L., Bondi, G., & Creamer, R.E. (2017). Application of Dexter’s soil physical quality index: an Irish case study. Irish Journal of Agricultural and Food Research, 56, 45–53.
Glover, J.N., Reganold, J.P., & Andrews, P.K. (2000). Systematic method for rating soil quality of conventional, organic, and integrated apple orchards in Washington State. Agriculture, Ecosystems and Environment, 80(1-2), 29–45.
Guo, L.L., Sun, Z., Ouyang, Z., Han, D., & Li, F. (2017). A comparison of soil quality evaluation methods for Fluvisol along the lower Yellow River, Catena, 152, 135–143.
Hosseinpour, A. (2008). Soil Chemistry and Fertility. Payam Noor University of Tehran, (Publication no 1), 234 Pages. (in Persian with English abstract).
Jolliffe, I.T. (1986). Principle component analysis. Springer-Verlag.
Jones, C.A. (1983). Effect of soil texture on critical bulk densities for root growth. Soil Science Society of America Journal, 47, 1208–1211.
Karlen, D.L., Mausbach, M.J., Doran, J.W., Cline, R.G., Harris, R.F. & Schuman, G.E.(1997). Soil quality: A concept, definition, and framework for evaluation. Soil Scienc Society of America Journal, 61, 4–10.
Karlen, D.L., & Stott, D.E. (1994). A framework for evaluating physical and chemical indicators of soil quality.
Soil Science Society of America Journal, 35, 53–72.
Karlen, D.L., Andrews, S.S., Doran, J.W., & Wienhold, B.J. (2003). Soil quality: human kind’s foundation for survival. Journal of Soil and Water Conservation, 58, 171–179.
Khalifezadeh Koureh, H., Asgarzadeh, H., Mosaddeghi, M.R., & Khodaverdiloo, H. (2019). Critical values of soil physical quality indicators based on vegetative growth characteristics of spring wheat (Triticum aestivum L.). Journal of Soil Science and Plant Nutrition, 20, 493–506.
Larson, W.E., & Pierce, F.J. (1991). Conservation and enhancement of soil quality. Evaluation of sustainable land management in the developing world. Bangkok, Thailand: International Board for Soil Research and Management.
Marzaioli, R., D’Ascoli, R., De Pascale, R.A., & Rutigliano, F.A. (2010). Soil quality in a Mediterranean area of Southern Italy as related to different land use type. Applied Soil Ecology, 44, 205–212.
Masto, R.E., Chhonkar, P.K., Singh, D., & Patra, A.K. (2008). Alternative soil quality indices for evaluating the effect of intensive cropping, fertilization and manuring for 31 years in the semi-arid soils of India. Environmental Monitoring and Assessment, 136(1–3), 419–435.
Moncada, M.P., Ball, B.C., Gabriels, D., Lobo, D., & Cornelis, W.M.(2014). Evaluation of soil physical quality index for some tropical and temperate medium-textured soils.
Soil Science Society America Journal, 79, 9–19.
Moody, P. (2006). Understanding soil pH,
Natural Resource Sciences, Pp, 1-2.
Mukherjee, A., & Lal, R. (2014). Comparison of soil quality index using three methods. PLOS ONE, 9(8), 1–15.
Mulyono, A., Harryanto, R., Suriadikusumah, A., & Djuwansah, M. (2019). Soil quality under agroforestry trees pattern in upper citarum watershed, Indonesia. Ecological Engineering, 20, 203–213.
Nabiollahi, K., Taghizadeh-Mehrjardi, R., Kerry, R., & Moradiana, S.h. (2017). Assessment of soil quality indices for salt-affected agricultural land in Kurdistan province, Iran. Ecological Indicators Journal, 83, 482–494.
Ortega, R.A., & Santibanez, O.A. (2007). Determination of management zones in corn (
Zea mays L.) based on soil fertility.
Computers and Electronics in Agriculture, 58, 49–59.
Parr, J.F., Papendick, R.I., Hornick, S.B., & Meyer, R.E. (1992). Soil quality: attributes and relationship to alternative and sustainable agriculture. American Journal of Alternative Agriculture, 7, 5–11.
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, 325–334.
Qian, F., Yu, Y., Dong, X., & Gu, H. (2023). Soil quality evaluation based on a minimum data set (MDS)-A case study of ieling County, northeast China.
Land Journal, 12, 1–16.
https://doi.org/10.3390/land12061263
Qin, M.Z., & Zhao, J. (2000). Strategies for sustainable use and characteristics of soil quality changes in urban-rural marginal area: a case study of Kaifeng. Acta Geographica Sinica, 55, 545–554. (In Chinese with English abstract).
Rahmanipour, F., Marzaioli, R., Hossein, A.B., Fereidouni, Z., & Rahimi Bandari, S. (2014). Assesment of soil quality indices in agricultural lands of Qazvin province, Iran.
Ecological Indicatores Journal, 40, 19–26.
Ranjbar, G. (2015). Optimal agronomic management for wheat production under saline conditions.
Agricultural Research, Education and Extension Organization, Agricultural Education Publication, Karaj, Iran (in Persian with English abstract).
Rawls, W.J., Brakensiek, D.L., & Saxton, K.E. (1982). Estimation of soil water properties. American Journal of Agricultural Engineering, 25(5), 1316–1328.
Reynolds, W.D., Drury, C.F., Yang, X.M., & Ton, C.F. (2008). Optimal soil physical quality inferred through structural regression and parameter interactions. Geoderma, 146, 466–474.
Rezaee, A. (1996). Evaluation of the use of soil particle size distribution parameters (mean diameter and geometric standard deviation) in determining the characteristic curve of soil water and hydraulic conductivity, Iran. M.Sc. Thesis, Soil Science Department, Faculty of Agriculture, University of Tabriz, Tabriz, Iran. (in Persian with English abstract).
Rezaee, L., Moosavi, A.A., Davatgar, N., & Sepaskhah, A.R. (2020). Soil quality indices of paddy soils in Guilan province of northern Iran: Spatial variability and their influential parameters. Ecological Indicators Journal, 117(106566), 1–12.
Saleh, A.A., Elsharkawy, M.M., Abdelrahman, M.A.E., & Arafat, S.M. (2021). Evaluation of soil quality in arid western fringses of the Nile Delta for sustainable agriculture.
Applied and Environmental Soil Science, 2021(1434692), 1–17.
Seybold, C.A., Mausbach, M.J., Karlen, D.L., & Rogers, H.H. (2016). Quantification of soil quality. Chapter 27, Pp. 387–404. In: Lal, R., Kimble, J.M., Follett, R.F., & Stewart, B.A. (Eds)
Soil processes and the carbon cycle. Volume 11 of Advances in Soil Science, CRC Press.
Shah, T.I., Shah, A.M., Bangroo, Sh.A, Sharma, M.P., Aezum, A.M., Kirmani, N.A., Lone, A.H., Jeelani, M.I., Rai, A.P., Wani, F.J., Bhat MI, Malik, A.R., Biswas, A., & Ahmad, L., 2022. Soil quality index as affected by integrated nutrient management in the Himalayan foothills. Agronomy, 12(1870), 1–16.
https://doi.org/10.3390/agronomy12081870
Shahbazi, K., & Besharati, H. (2013). Overview of agricultural soil fertility status of Iran. Journal of Land Management, 1(1), 1–15. (in Persian with English abstract).
https://doi.org/10.22092/1mj.2013.100072
Shakouri, Katigeri. M., Soltani, S.H., Karbalai Aghamolki, M.T., & Keshtekar Talemi, F., (2019). Relationship between yield and a soil quality index in paddy fields. Journal of Soil Research, 33, 197–212. (in Persian with English abstract).
Shukla, M.K., Lal, R., & Ebinger, M. (2006). Determining soil quality indicators by factor analysis. Soil & Tillage Research, 87, 194–204.
https://doi.org/10.1016/j.still.2005.03.011
Sinha, S.h., Masto, R.E., Ram, L.C., Selvi, V.A., Srivastava, N.K., Tripathi, R.C., & George, J. (2009). Rhizosphere soil microbial index of tree species in a coal mining ecosystem. Soil Biology and Biochemistry, 41, 1824–1832.
Sun, B., Zhou, S., & Zhao, Q. (2003). Evaluation of spatial and temporal changes of soil quality based on geostatistical analysis in the hill region of subtropical China. Geoderma, 115, 85–99.
Vadivel, A., & Shivana, M., (2020). Analytical Techniques in Soil, Plant, Fertilizer and Water. Soil and Plant Analysis, Punjabi University, Patiala, Punjab, India.
Van Genuchten, M.T.h., Leij, F.J., & Yates, S.R. (1991). The RETC code for quantifying the hydraulic functions of unsaturated soils. United states Environmental Protection Agency. Rep. 600/2-91/065. Research Laboratory Ada Oklahoma, USA.
Van Lier, Q.d.J., Bras, R., & Solo, Ci. (2014). Revisiting the S-Index for soil physical quality and its use in Brazile. Brazilian Journal of Soil Science, 38, 1-10.
Weil, R.R., & Brady, N.C. (2017). The nature and properties of soils. Fiften Edition, Pearson Education Co., Virginia, USA.
Wienhold, B.J., Karlen, D.L., Andrews, S.S., & Stott, D.E. (2009). Protocol for indicator scoring in the soil management assessment framework (SMAF). Renewable Agriculture and Food Systems, 24(4), 260–266.
Wymore, A.W. (1993). Model-based systems engineering. CRC Press, Boca Raton.