Abdollahi M. 2010. Distribution of inorganic phosphorus forms in sugar beet growing calcareous soils and adjacent virgin land in western- Azerbaijan province, Master of Science Thesis. Urmia University. Iran. (In Persian)
Chang S.C., and Jackson M. L. 1957. Fractionation of soil phosphorus, Soil Science, 84: 133-144.
Chabot R., Cescas M.P, and Antoun H. 1993. Microbiological solubilization of inorganic P-fractions normally encountered in soils. Phosphorus, Sulfur, and Silicon and the Related Elements.Advances in Agronomy,77:329 p.
Cross A.F., and Schlesinger, W.H. 2001. Biological and geochemical controls on phosphorus fractions in semiarid soils. Biogeochemistry, 52: 155-172.
Drouineau G. 1942. Dosage rapide du calcaire du sol, nouvelles donnees sur la separation et al nature des fractions calcaires. Annals Agronomy, 12: 441-450.
Duponnois R., Kisa M., and Olenchette C. 2006. Phosphate solubilizing potential of the nematode fungus Arthrobotrys oligospore. Journal of Plant Nutrition and Soil Science, 169: 280-282.
Fathi Gerdelidani A., Mirseyed Hosseini H., and Farahbakhsh M. 2016. Effect of spent mushroom compost (SMC) and sugar cane bagasse biochar on availability and fractions of inorganic phosphorus in a calcareous soil. Agricultural Engineering, 39: 127-144. (In Persian)
Gee G.W., and Bauder J.W. 1986. Physical and Mineralogical Methods. In: Clute A (Ed.). Methods of Soil Analysis, Part 1. ASA and SSSA, Medison Wisconsin, pp: 383-409.
Hao X., Godlinski, F., and Chang, Ch. 2008. Distribution of Phosphorus Forms in Soil Following Long-term Continuous and Discontinuous Cattle Manure Applications. Soil Science Society of America, 72: 90-97.
Illmer P., and Schinner F. 1992. Solubilization of inorganic phosphates by microorganisms isolated from forest soil. Soil Biology and Biochemistry, 24:389–395.
Jiang B., and Gu Y. 1989. A suggested fractionation scheme of inorganic phosphorus in calcareous soils. Fertilizer Research, 20: 159-165.
Kang S.C., Pandey P., Khillon R., and Maheshwari D. K. 2008. Process of rock phosphate solubilization by Aspergillus sp PS 104 in soil amended medium. Environmental Biology, 29 (5): 743-746.
Kucey R.M.N. 1983. Phosphate, solubilizing bacteria and fungi in various cultivated and virgin Alberta soils. Soil Science, 63:671–678.
Lindsay W. L. 1982. Chemical Equilibria in Soils. John Wiley and Sons. Inc., NewYork.
Mehnaz S., and Lazarovits G. 2006. Inoculation effects of Pseudomonas putida, Gluconacetobacter azotocaptans, and Azospirillum lipoferum on corn plant growth under greenhouse conditions. Microbial Ecology, 51(3), 326-335.
Olsen S.R., Cole C.V., Watanabe F.S., and Dean L.A. 1954. Estimation of available phosphorous in soil by extraction with sodium bicarbonate. USDA. Cire. USDA, U.S. Government Printing office, Washington DC.
Pierzynski G.M., Logan T.J., and Traina S.J. 1990. Phosphorus chemistry and mineralogy in excessively fertilized soils: Solubility equilibria. Soil Science Society of America, 54(6): 1589-1595.
Pikovskaya R. I. 1948. Mobilization of phosphorus in soil connection with the vital activity of some microbial species. Mikrobiologia, 17: 362-370.
Rao A.V., and Tarafdar J.C. 2002. Microbial mobilizatrion of phosphorous for higher crop production in arid soils. Biotechnology of Biofertilizers, 323p.
Rayan J., Curtin D., and Cheema M.A.1985. Significance of iron oxides and calcium carbonate particle size in phosphate sorption by calcareous soils. Soil Science Society of America, 48: 74-76.
Reddy M. S., Kumar S., Babita K., and Reddy M.S. 2002. Biosolubilization of poorly soluble rock phosphates by Aspergillus tubingensis and Aspergillus niger. Bioresource Technology, 84(2): 187-189.
Rongzhong Ye., Alan L. Wright J., McCray M., Reddy K.R., Young L. 2010. Sulfur-induced changes in phosphorus distribution in Everglades Agricultural Area soils. Nutrient Cycling in Agroecosystems. 87:127–135.
Samadi, A. and Gilkes, R. J. 1998. Forms of phosphorus in virgin and fertilized calcareous soils of western Australia. Soil Research of Australia, 36: 585- 601.
Samadi A. 2003. A study on distribution of forms of phosphorus in calcareous soils of Western Australia. Agricultural Sciences and Technology, 5: 39-49.
Sharma S., Kumar V., and Tripathi R. B. 2011. Isolation of phosphate solubilizing microorganism (PSMs) from soil. Microbial Biotechnology Research, 1(2): 90-95.
Sundara B., Natarajan V., and Hari K. 2002. Influence of phosphorus solubilizing bacteria on the changes in soil available phosphorus and sugarcane and suger yields. Field crop Research, 77:43-49.
Tandon H.L.S., 1998. Methods of Analysis of Soils, Plants, Waters and Fertilizers. Fertilizers Development and Consultancy Organization, New Dehli.
Tiessen H., Stewart J.W.B., and Cole V.C. 1984. Pathways of phosphorus transformation in soils of differing pedogenesis. Soil Science Society of America, 48: 853-858.
Vassilev N., Vassileva M., and Nikolaeva I. 2006. Simultaneous P-solubilizing and biocontrol activity of microorganisms: potentials and future trends. Applied Microbiology and Biotechnology, 71: 137-144.
Walker T.W., and Adams A.F.R. 1958. Studies on soil organic matter: I. Influence of phosphorus content of parent material on accumulation of carbon, nitrogen, sulfur and organic phosphorus in grassland soils. Soil Science, 85: 307-318.
Walky A., and Black, I. A. 1934. An examination of Degtgareff method for determining soil organic matter and a proposed modification of the chromic acid in soil analysis. 1. Experimental. Soil Science Society of America, 79: 459-465.
Whitelaw M. A. 1999. Growth promotion of plants inoculated with phosphate-solubilizing fungi. Advances in Agronomy, 69:99-151.
Zhang T.Q., Mackenzie A.F., Liang B.C., and Druy C.F. 2004. Soil test phosphorus and phosphorus fractions with long term phosphorus addition and depletion. Soil Science Society of America, 68:519-528.