Ajami, M. (2007). Soil quality attributes micropedology and clay mineralogy as affected by land use change and geomorphic position on some loess-derived soils in eastern Golestan Province, Agh-Su watershed. )M.Sc. Thesis. Gorgan University of Agricultural Sciences and Natural Resources. Golestan Province, Iran). (In Persian).
Ajami, M., Khormali, F., & Ayobi, sh. (2008). Application of neural network for prediction of earthen dam peak breach outflow and breach time. Iranian Journal of Soil and Water Research, 39(1), 15-30. (In Persian)
Alamdari, P., Kamrani, V., & Mohammadi, M. H. (2016). Clay mineralogy relationships with Potassium forms in different physiographic units. Journal of Water and Soil, 29 (6), 1578-1589. (In Persian)
Azadi, A., Baghernejad, M., & Abtahi, A. (2015). Kinetics of Potassium desorption in selected calcareous soils of southern Iran. International Journal of Forest, Soil and Erosion (IJFSE), 5(2), 46-51.
Azadi, A., Baghernejad, M., Karimian, N., & Abtahi, A. (2014).Investigation about potassium status and its relationship with mineralogy and soil properties in Kaftar region Fars Province. Iranian Journal of Soil Management, 2(3), 59-69.
Azadi, A., Baghernejad, M., Karimian, N., & Abtahi, A. (2016). Kinetics of nonexchangeable potassium release and relationship with soil properties, mineralogy and soil taxonomy in some calcareous soils of Fars Province. Iranian Journal of Soil and Water Science, 30(2), 187-199.
Balesdent, J., Chenu, C., & Balabane, M. (2000). Relationship of soil organic matter dynamics to physical protection and tillage. Soil and Tillage Research, 53, 215-230.
Barre, P., Velde, B., Fontaine, C., Catel, N., & Abbadie, L. (2008). Which 2:1 clay minerals are involved in the soil potassium reservoir? Insights from potassium addition or removal experiments on three temperate grassland soil clay assemblages. Geoderma, 146, 216-223.
Basak, B., & Biswas, D. (2009). Influence of potassium solubilizing microorganism (Bascillus mucilaginosus) and waste mica on potassium uptake dynamics by Sudan grass (Sorghum vulgare Pers.) grown under two Alfisols. Plant Soil, 317, 235-255.
Bertsch P.M., Thomas G.W. (1985). Potassium status of temperate region soils. In: Munson R.D. (Ed.).Potassium in Agriculture (pp131–162). Madison: American Society of Agronomy
Blanchet, G., Libohova, Z., Joost, S., Rossier, N., Schneider, A., Jeangros, B., & Sinaj, S. (2017). Spatial variability of potassium in agricultural soils of the canton of Fribourg, Switzerland. Geoderma, 290, 107-121.
Chapman, H. D. (1965). Cation-exchange capacity. In:D.L.Sparks., Page A. L., and Helmke P. A. (Ed.), Methods of Soil Analysis, Part 2, Chemical and microbiological properties. (pp. 891-901). WI: American Society of Agronomy, Madison.
Doran, J. W. (1987). Microbial biomass and mineralisable nitrogen distribution in no-tilled and ploughed soils. Biology and Fertility of Soils, 5, 68–75.
Doran, J. W., Sarrantonio, M., & Liebig, M. A. (1996). Soil health and sustainability. Advances in Agronomy (USA), 56, 1-54.
Evrendilek, F., Celik, I., & Kilic, S. (2004). Change in soil organic carbon and other physical soil properties along adjacent mediterranean forest, grassland and cropland ecosystems in Turkey. Journal of Arid Environments, 59, 743-752.
Ghorbani, H., Kashi, H., & Hafezi-Moghaddam, N. (2013). Effect of change of pasture land to agricultural on some physical and chemical soil properties in Golestan province. Soil Management, 2(3), 49-58. (In Persian)
Hashemi, S. (2017). Effect of land use type and different crop cultivations on different potassium forms of soils (with emphasis on clay mineralogy). Journal of Water and Soil Conservation, 24(5), 179-194.
Helmke, P. A., & Sparks, D. L. (1996). Lithium, sodium, potassium, rubidium and cesium. In: Sparks, D. L. (Ed.), Method of soil analysis, Part 3. Chemical methods. (pp 551-574). No. 5. Madison, WI, USA: American Society of Agronomy.
Jackson, M. L. (1975). Soil chemical analysis: advancedcourse. Madison, Wisconsin, USA: University ofWisconsin, College of Agriculture, Department of SoilScience.
Johns, W. D., Grim, R. E., & Bradley, F. (1954). Quantitative estimation of clay minerals by diffraction methods. Journal of Sedimentary Petrology, 24, 242-251.
Khan, H. R., Chowdhury, M. S., Elahi, S. F., Hussain, M. S., & Adachi, T. (1993). Potassium status and release characteristics of twelve floodplain soils of Bangladesh. Soil Physical Conditions and Plant Growth, 68, 15-24.
Kittrick J. A, Hope E. W. (1963). A procedure for the particle-size separation of soils for X-ray diffraction analysis. Soil Science, 96(5), 312–325.
Knudsen, D., Peterson, G. A., & Pratt, P. E. (1982). Lithium, sodium and potassium. In: A. L. page (Ed.), Methods of Soil Analysis. Part 2, Agron. Monogr. (pp. 225-246). Madison, WI: American Society of Agronomy.
Liu, Z., Shao, M., & Wang, Y. (2011). Impacts of land use and plant characteristics on dried soil layers in different climatic regions on the Loess Plateau of China. Agriculture, Ecosystems & Environment, 142, (3-4), 184-194.
Loeppert, R. H., & Suarez, D. L. (1996). Carbonate and gypsum. Methods of Soil Analysis: Part 3 Chemical Methods, SSSA Book Series No. 5 (pp. 437-474). Madison WI: Society of America and American Society of Agronomy.
Loganathan, P., Dickson, A. A., & Isirimah, N. O. (1995). Potassium supplying capacity of soils formed on different geological deposits in the Niger delta region of Nigeria. Geoderma, 65, 109-120.
Mahmoodi, Sh., & Hakimian, M. (1999). Fundamentals of soil science. Tehran: Tehran University Press. (In Persian)
Malakouti, M. J., & Homaee, M. (2003). Soil Fertility of arid and semi-arid regions. Second edition. Tehran: Tarbiat Modares University Press. (In Persian).
Malakouti, M. J., & Riazi Hamedani, S. A. (1991). Soil fertility and fertilizers. 3rd edition. Tehran: Tehran University Press. (In Persian).
Malekooti, M. J., & Homaee, M. (1994). Soil fertility of arid regions. Tehran: Tarbiat Modares University Press. (In Persian).
Martinez-Mena, M., Lopez, J., Almagro, M., Boix-Fayos, V., & Albaladejo, J. (2008). Effect of water erosion and cultivation on the soil carbon stock in a semiarid area of south-east Spain. Soil and Tillage Research, 99, 119-129.
Mehra, O. P., & Jackson, M. L. (2013). Iron oxide removal from soils and clays by a dithionite–citrate system buffered with sodium bicarbonate. In Clays and clay minerals (pp. 317-327). Pergamon.
Nazari, N. (2013). Land use change from pasture to irrig ated and dry farming arable land and its effect on soil properties in Miyaneh region, Iran. Agroecology Journal, 9(2), 43-50.
Nelson, D. W., & Sommers, L. E. (1996). Total carbon, organic carbon, and organic matter. In: Sparks, D. L. (Ed.), Methods of soil analysis part 3—chemical methods (pp.961-1010). Madison WI: American Society of Agronomy.
Niknahad Ghormakhar, H., & Marmayi, M. (2011). Study of the effects of land use changes on soil properties (Case study: Kechik watershed). Journal of Soil Management and Sustainable Production, 1(2), 81-96. (In Persian).
Raheb, A., & Heidari, A. (2012). Effects of clay mineralogy and physico-chemical properties on potassium availability under soil aquic conditions. Journal of Soil Science and Plant Nutrition, 12(4), 747-761.
Richards, L. A. (1954). Diagnosis and improvement of saline and alkali soils (Handbook No. 60). Washington: United States Salinity Laboratory.
Rowell, D. L. (1994). Soil science: Methods and applications. Harlow, Essex (UK): Longman Scientific and Technical.
Samadi, A., Dovlati, B., & Barin, M. (2008). Effect of continuous cropping on potassium forms and potassium adsorption characteristics in calcareous soils of Iran. Australian Journal of Soil Research, 46 (3), 265-272.
Shakeri, S. (2018). Potassium fixation and its relationship with physico-chemical properties and clay minerals in the calcareous soils of Kakan Plain, Kohgilouye & Boyerahmad Province. Journal of Water and Soil Science, 22(1), 239-254.
Shakeri, S., & Abtahi, A. (2020). Potassium fixation capacity of some highly calcareous soils as a function of clay minerals and alternately wetting-drying. Archives of Agronomy and Soil Science, 66(4), 445-457.
Shakeri, S., & Abtahi, S. A. (2019). Origin and clay minerals characteristics and their relationship with Potassium forms in the calcareous soils of Kakan Plain in East of Kohgilouye-va-Boyerahmad Province. Journal of Water and Soil Science, 22(4), 173-188.
Shakeri, S., & Abtahi, S. A. (2018). Potassium forms in calcareous soils as affected by clay minerals and soil development in Kohgiluyeh and Boyer-Ahmad Province, Southwest Iran. Journal of Arid Land, 10, 217–232.
Shakeri, S., Abtahi, S. A., Karimian, N. A., Baghernejad, M., & Owliaie, H. R. (2015). Kinetics of nonexchangeable Potassium release in surface and subsurface horizons of predominant soil series in Kohgilouye-va-Boyerahmad Province. Journal of Water and Soil Science, 19(73), 301-319.
Shamsi Mahmoudabadi, S., Khormali, F., Ghorbani Nasrabadi, R., & Pahlavani, M. H. (2011). Effect of vegetation cover and the type of land use on the soil quality indicators in loess derived soils in Agh-Su area (Golestan province). Journal of Water and Soil Conservation, 17, 125-139. (In Persian).
Soil Survey Staff. (2014). Keys to soil taxonomy (2nd ed.). Washington, DC: USDA, NRCS.
Sparks, D. L. (2000). Bioavailability of soil potassium, D-38-D-52. In: M. E. Sumner (Ed.) Handbook of Soil Science. (pp.38-52). Boca Raton, FL: CRC Press.
Taghipour, A., Rezapour, S., Dovlati, B., & Hamzenejad, R. (2015). Effects of land use changes on some soil chemical properties in Khoy, West Azerbaijan Province. Journal of Water and Soil, 29(2), 418-431.
Tajkhalili, N., Saedi, S., & Baybordi, A. (2011). Evaluation of some soil physical characteristics turns on from forest to pasture land and agricultural land in Arasbaran protected area. 12th congress of soil science. 12-14 September. Tabriz. Iran. (In Persian)
Tejada, M., & Gonzalez, J. L. (2008). "Influence of two organic amendments on the soil physical properties, soil losses, sediments and runoff water quality". Geoderma, 145, 325-334.
Tophighy, H. (1995). Kinetics of nonexchangable potassium release from paddy soils of north of Iran. Comparison and evaluation kinetics equations of first order, zero order and parabolic diffusion. Iran. Journal of Agriculture Science, 4(26), 27-40. (In Persian)
Vafaeizadeh, R., Ayoubi, Sh., Mosadeghi, M. R., & Yousefifard, M. (2016). Slope and land use changing effects on soil properties and magnetic susceptibility in hilly lands, Yasouj Region. Journal of Water and Soil, 30(2), 632-642. (In Persian)
Vahidi, M., Jafarzadeh, A., Oustan, S., & Shahbazi, F. (2012). Effect of land use on physical, chemical and mineralogical properties of soils in southern Ahar. Water and Soil Science, 22(1), 33-48.
Whalen J. K, Chang C (2002) Macroaggregate characteristics in cultivated soils after 25 annual manure applications. Soil Science Society of America Journal, 66, 1637-1647.
Wu, R., & Tiessen, H. (2002). Effect of land use on soil degradation in alpine grassland soil, China. Soil Science Society of America Journal, 66, 1648-1655.
Zehtabian, Gh., Amiri, B., & Souri, M. (2005). The comparison of soil nutrients among agricultural lands and rangelands with emphasis on N, P and K (Case study: Khodabande, Zanjan). Pajouhesh & Sazandegi, 68, 9-19. (In Persian).
)