Changes in soluble and equilibrium phosphate concentration in selected soils from Italy

References

• Bache , B.W. and Williams , E.G. 1971 . A phosphate sorption index for soils . J. Soil Sci. , 22 : 289 – 301 .
   Web of Science ®Google Scholar
• Day , P.R. 1965 . “ Particle fractionation and particle‐size analysis ” . In Methods of Soil Analysis , Agronomy 9 Edited by: Black , C.A. Madison , WI : American Society of Agronomy . Part 2
   Google Scholar
• FAO‐UNESCO . 1975 . Carte mondiale des soils , Rome , , Italy : UNESCO .
   Google Scholar
• Frossard , E. , Brossard , M. , Hedley , M.J. and Metherell , A. 1995 . “ Reactions controlling the cycling of phosphorus in soils ” . In Phosphorus in the Global Environment: Transfers, Cycles and Management , Edited by: Tiessen , H. 107 – 138 . New York , NY : J. Wiley and Sons .
   Google Scholar
• Indiati , R. and Sharpley , A.N. 1995 . Soil phosphate sorption and simulated runoff parameters as affected by fertilizer addition and soil properties . Commun. Soil Sci. Plant Anal. , 26 : 2319 – 2331 .
   Web of Science ®Google Scholar
• Mehlich , A. 1984 . Mehlich 3 soil test extractant: A modification of Mehlich 2 . Commun. Soil Sci. Plant Anal. , 15 : 1409 – 1416 .
   Web of Science ®Google Scholar
• Mehra , O.P. and Jackson , M.L. 1960 . Iron Oxide removal from soils and clays by a dithionite‐citrate system buffered with sodium bicarbonate . Clays Clay Miner. , 7 : 317 – 327 .
   Google Scholar
• Mozaffari , M. and Sims , J.T. 1994 . Phosphorus availability and sorption in an Atlantic Coastal Plain watershed dominated by animal‐based agriculture . Soil Sci. , 157 : 97 – 107 .
   Web of Science ®Google Scholar
• Murphy , J. and Riley , J.P. 1962 . A modified single solution method for the determination of phosphate in natural water . Anal. Chem. Acta , 27 : 31 – 36 .
   Web of Science ®Google Scholar
• Olsen , S.R. , Cole , C.V. , Watanabe , F.S. and Dean , L.A. 1954 . Estimation of available phosphorus in soils by extracting with sodium bicarbonate , Washington, DC : U.S. Government Printing Office . USDA Circ. 939
   Google Scholar
• Raveh , A. and Avnimelech , Y. 1972 . Potentiometric determination of soil organic matter . Soil Sci. Soc. Am. Proc. , 36 : 967
   Web of Science ®Google Scholar
• Sharpley , A.N. , Chapra , S.C. , Wedepohl , R. , Sims , J.T. , Daniel , T.C. and Reddy , K.R. 1994 . Managing agricultural phosphorus for protection of surface waters: Issues and options . J. Environ. Qual. , 23 : 437 – 451 .
   Web of Science ®Google Scholar
• Simard , R.R. , Cluis , D. , Gangbazo , G. and Pesant , A.R. 1994 . Phosphorus sorption and desorption indices in soil . Commun. Soil Sci. Plant Anal , 23 : 1483 – 1494 .
   Web of Science ®Google Scholar
• Syers , J.K. and Curtin , D. 1989 . “ Inorganic reactions controlling phosphorus cycling ” . In Phosphorus Cycles in Terrestrial and Acquatic Ecosystems , Edited by: Tiessen , H. 17 – 29 . Saskatoon , , Canada : UNDP, Saskatchewan Institute of Pedology .
   Google Scholar
• Taylor , A.W. and Kunishi , K.M. 1971 . Phosphate equilibria on stream sediments and soil in a watershed draining an agricultural region . J. Agric. Food Chem. , 19 : 827 – 832 .
   Web of Science ®Google Scholar
• White , R.W. and Beckett , P.H.T. 1964 . Studies on the phosphate potentials of soils. I. The measurement of phosphate potential . Plant Soil , 20 : 1 – 15 .
   Google Scholar
• Wolt , J. D. 1994 . Soil Solution Chemistry: Application to Environmental Science and Agriculture , New York , NY : John Wiley and Sons .
   Google Scholar