Borggard O.K., Jorgensen S.S., Meberg J. P., and Raben Lang B. 1990. Influence of organic matter on phosphate adsorption by aluminum and iron oxides in sandy soils. Journal of Soil Science, 41: 443-449.
Bowman R.A., and Cole C.V. 1978. An exploratory method for fractionation of organic phosphorus from grassland soils. Journal of Soil Science, 125: 95-101.
Cheng YL, Cheng XL, Zou DY. 2009. Long-term Located Fertilizer Experiments after 15-years in Brown Soil Forms and Availability of Phosphate Nutrient. Chinese Journal of Soil Science,40 (6): 1362-1366.
Clup P.L., and Clup G.L. 1978. Advance Wastewater Treatment. 2nd ed., Van – Nostr and Rienhold Pub., New York.
Delgado A., Madrid A., Kassem S., Andreu L., and Campillo M. C. 2002. Phosphorus fertilizer recovery from calcareous soils amended with humic and fluvic acids. Plant and Soil, 245: 277-286.
Foth H.D., and Ellis B.G. 1997. Soil Fertility. (2nd Ed.). CRC P Press LLC, Boca Raton, 290 p.
Gomes-Costa M., Gama-Rodrigues A., Moraes J., Gama –Rodrigues E., and da-silva Aleixo M.S. .2016. Labile and non-labile fractions of phosphorus and its transformations in soil under eucalyptus plantations, Brazil. Forests, 6: 1-15.
Heydari N., Reyhanitabar A., Najafi N., and Ostan Sh. 2013. Relationships between inorganic and organic phosphorus fractions with corn growth and phosphorus uptake in some soils of East Azerbaijan Province. Journal of Soil Management and Sustainable Production, 3: 2. 237-250. (In Persian)
Inskeep W.P., and Silvertooth J.C. 1998. Inhibition of hydroxy apatite precipitation in the presence of fulvic, humic, and tannic acids. Soil Science Society America Journal, 52: 941-946.
Ivanoff D.B., Reddy K.R., and Robinson S. 1998. Chemical fractionation of organic phosphorus in selected histosols. Soil Science, 163: 36-45.
Jalali M., and Kolahchi Z. 2005. Availability of soil phosphorus resulting from different amounts of phosphorus fertilizer in soils of Hamedan province. Soil and Water Science, 19(1): 53-60. (In Persian)
Jiang B., and Gu Y. 1989. A suggested fractionation scheme for inorganic phosphorus in calcareous soil. Fertilizer Research, 20: 150-165.
Khademi Z., Balali M.R., Asadi F., Shahbazi K., Rezaei H., Feizolahzadeh M., Bazargan K., and Tehrani M.M. 2010. Improvement of macronutrient fertilizer use efficiencies and S and Mg role in increasing the yield and quality of wheat. Final report. Agricultural Research Education and Extension Organization (AREEO). Soil and Water Institute. Tehran Iran.
Kuo S. 1996. Phosphorus. In: Sparks D.L. (Ed.) Methods of Soil Analysis. Part 3. Chemical Methods,. pp. 551-574. Soil Science Society of America, Madison, WI.
Larsen S. 1976. Soil phosphorus. Advances in Agronomy,19:151-210.
Liang L.Z., Zhao X.Q., Yi X.Y., Chen Z.C., Dong X.Y., Chen R.F., and Shen R.F. 2013. Excessive application of nitrogen and phosphorus fertilizers induces soil acidification and phosphorus enrichment during vegetable production in Yangtze River Delta, China. Soil Use and Management, 29: 161- 168.
Lopez-Pineiro A., Cabrera D., and Pena D. 2009. Phosphorus adsorption and fractionation in a two-phase olive mill waste amended soil. Soil Science Society of America
Maguire R.O., Sims J.T., and Coale F.J. 2000. Phosphorus fractionation in biosolids–amended soils: Relationship to soluble and desorb able phosphorus. Soil Science Society of AmericaJournal
, 64: 2018-2024.
Malakooti M.J. and Keshavarz P. 2005. Look at the Fertility Status of Iranian Soils (Evaluation and Utilizeation). Ministry of Jihade- Agriculture, 514p. (In Persian)
Moeini M., Hejazi Mehrizi M., and Jafari A. 2016. Determination of organic P fractions in a calcareous soil as affected by wheat cultivation and organic amendments. Journal of Soil Management and Sustainable Production, 5(4): 79-95. (In Persian)
Murphy J., and Riley J.P. 1962. A modified single solution method for the determination of phosphate in natural waters. Analytica Chimica Acta, 27: 31-143.
Nazari M.A., Shariatmadari H., Afyuni M., Mobli M., and Rahili, Sh. 2006. Effect of industrial sewage-sludge and effluents application on concentration of some elements and dry matter yield of wheat, barley and corn. Journal of Water and Soil, 10: 3. 97-111. (In Persian)
Nwoke O.C., Vanlauwe B., Diels J., Sanginga N., and Osonubi O. 2004. Impact of residue characteristics on phosphorus availability in West African savanna soils. Biology and Fertility of Soil
, 39: 422-428.
Penn C, J., and Sims J.T. 2002. Phosphorus forms in biosolids – amended soils and losses in runoff, Effects of wastewater treatment process. Journal of Environmental Quality,
Reddy D.D., Rao A.S., and Rupa T.R. 2005. Effects of continuous use of cattle manure and fertilizer phosphorus on crop yields and soil organic phosphorus in a Vertisol. Bioresource Technology, 75: 113-118.
Rhoads J.W. 1986. Cation exchange capacity, P 149-158. In: C.A. Black (Ed.), Methods of Soil Analysis. Part 3. Chemical Methods. ASA: Madison, WI.
Salardini A.K. 2008. Soil Fertility. (8nd Ed.). Tehran University, 434p.
Saleque M.A., Naher U.A., Islam A., Pathan A.B.M.B.U., Hossain, A.T.M.S., and Meisner, C.A. 2004. Inorganic and organic phosphorus fertilizer effects on the phosphorus fractionation in wetland rice soil. Soil Science Society of America,
Samavati M. and Hosseinpoor A.R. 2009. Phosphorus fractions in some soils of Hamadan province and their relation to available phosphorus soil. Soil and Water Science, 20 (2), 234 - 248. (In Persian)
Sample E.C., Soper R.J., and Racz G.J. 1980. Reactions of phosphate fertilizer in soils. pp. 263-310. In: Khasawneh F.E. et al. (Ed.) the Role of phosphorus in Agriculture. American Society of Agronomy., Madison, WI.
Scherer H., and Sharma S. 2002. Phosphorus fractions and phosphorus delivery potential of a luvisol derived from loess amended with organic materials. Biology and Fertility of Soils
, 53: 414-419.
Shahbazi K., and Davoodi M.H. 2013. Evaluation of wheat phosphorous necessity with phosphorous absorption isotherm in calcareous soils. Journal of Soil and Water Science, 26: 1-17.
Shariatmadari H., Shirvani M., Dehghan, R. 2007. Availability of organic and inorganic phosphorus fractions to wheat in toposequence of calcareous soils. Communications in Soil Science and Plant Analysis, 38: 2601-2617.
Sharpley A.N. 1985. Phosphorus cycling in unfertilized and fertilized agricultural soils.Soil Science Society of America Journal, 49: 905-911.
Singh C.P., and Amberger A. 2001. Solubilization and availability of phosphorus during decomposition of rock phosphate enriched straw and urine. Biological Agriculture and Horticulture, 7: 261-269.
Singh Y., Dobermann A., Singh B., Bronson K.F., Bronson C.S., and Khind C.S. 2000. Optimal phosphorus management. Strategies for wheat-rice cropping on loamy sand. Soil Science Society America Journal, 64: 1413-1420.
Sui Y.B., and Thompson M.L. 2000. Phosphorus sorption/desorption and buffering capacity in a biosolids amended Mollisol. Soil Science Society of America Journal, 64: 164-169.
Taghizadeh Asl Z., Dordsipour E., Gholizadeh A.L., and Kiani F. 2009. Investigating the relation between plant available phosphorus and some of soil properties in soils of south of Gorgan roud. Proceedings of the 11th Iranian Soil Science Congress, Gorgan, Iran. (In Persian)
Verma S., Subehia S.K., and Sharma S.P. 2005. Phosphorus fractions in an acid soil continuously fertilized with mineral and organic fertilizers. Biology and Fertility of Soils
, 41: 295-300.
Vu D.T., Tang C., and Armstrong R.D. 2008. Changes and availability of P fractions following 65 years of P application to a calcareous soil in a Mediterranean climate. Plant and Soil, 304: 21-33.
Walkley A., and Black I.A. 1934. An examination of digestion method for determining soil organic matter and proposed modification of the chromic acid titration. Soil Science, 37: 29-38.
Yang C., Yang L., and Jianhua L. 2006. Organic phosphorus fractions in organically amended soils in continuously and intermittently flooded conditions. Journal of Environmental Quality, 35: 1142-1150.
Yin Y., and Liang C.H. 2013. Transformation of phosphorus fractions in paddy soil amended with pig manure. Journal of Soil Science and Plant Nutrition, 13: 809-818.
Zhang Y.S., Werner W., Scherer H.W., and Sun X. 1994. Effect of organic manure on organic phosphorus fractions in two paddy soils. Biology and Fertility of Soils
, 26: 64-68.