References
- Council on Soil Testing and Plant Analysis . 1980a . “ Determination of phosphorus by Mehlich no. 1 (double acid) extraction ” . In Handbook on Reference Methods for Soil Sesting , rev. ed. 37 – 41 . Athens, Georgia : Council on Soil Testing and Plant Analysis .
- Council on Soil Testing and Plant Analysis . 1980b . “ Determination of Bray PI extraction ” . In Handbook on Reference Methods for Soil Testing , rev. ed. 42 – 46 . Athens, Georgia : Council on Soil Testing and Plant Analysis .
- Council on Soil Testing and Plant Analysis . 1980c . “ Determination of potassium, magnesium, calcium, and sodium by neutral ammonium acetate extraction ” . In Handbook on Reference Methods for Soil Testing , rev. ed. 58 – 63 . Athens, Georgia : Council on Soil Testing and Plant Analysis .
- Crane , K. S. , Webb , B. L. , Allen , P. S. and Jolley , V. J. 2005 . A rapid turbidimetric potassium test modified for use with pressurized hot water (PHW) extraction . Communications in Soil Science and Plant Analysis , 36 : 2687 – 2697 .
- Dibb , D. W. , Darst , B. C. , Mutert , E. and Beaton , J. D. Nutrient balance: A key to sustainable agriculture . Manila, Philippines. IFA‐FADINAP Regional Fertilizer Conference for Asia and the Pacific ,
- Elrashidi , M. A. , Alva , A. K. , Huang , Y. F. , Calvert , D. V. , Obreza , T. A. and He , Z. L. 2001 . Accumulation and downward transport of phosphorus in Florida soils and relationship to water quality . Communications in Soil Science and Plant Analysis , 32 : 3099 – 3119 .
- Fernandes , M. L. , Indiati , R. , Coutinho , J. and Buondonno , A. 1999 . Soil properties affecting phosphorus extraction from Portuguese soils by conventional and innovative methods . Communications in Soil Science and Plant Analysis , 30 : 921 – 936 .
- Fixen , P. E. and Grove , J. H. 1990 . “ Testing soils for phosphorus ” . In Soil Testing and Plant Analysis , 3rd ed. 141 – 180 . Madison, Wisconsin : American Society of Agronomy .
- Fulkey , G. and Czinkota , I. 1993 . Hot water percolation (HWP): A new rapid soil extraction method . Plant and Soil , 157 : 131 – 135 .
- Greenland , D. J. 1991 . The contributions of soil science to society—past, present and future . Soil Science , 151 : 19 – 23 .
- Haby , V. A. 1989 . Soil NO3‐N analysis in Ca(OH)2 extracts by the chromotropic acid method . Soil Science Society of American Journal , 53 : 308 – 310 .
- Houba , V. J.G. , Novozamsky , I. , Uttenbogaard , J. and Van der Lee , J. J. 1987 . Automatic determination of “total soluble nitrogen” in soil extracts . Landw. Forsch. , 40 : 295 – 302 .
- Ibrikci , H. , Hanlon , E. A. and Rechcigl , J. E. 1992 . Initial calibration and correlation of inorganic‐phosphorus soil test methods with a Bahiagrass field trial . Communications in Soil Science and Plant Analysis , 23 : 2569 – 2579 .
- Kou , S. 1996 . “ Phosphorus ” . In Methods of Soil Analysis, Part 3: Chemical Methods Edited by: Sparks , D. L. 869 – 919 . Madison, Wisconsin : Soil Science Society of America .
- Lal , R. 2000 . Soil management in the developing countries . Soil Science , 165 : 57 – 72 .
- Leal , J. E. , Sumner , M. E. and West , L. T. 1994 . Evaluation of available P with different extractants on Guatemalan soils . Communications in Soil Science and Plant Analysis , 25 : 1161 – 1196 .
- Menon , R. G. , Chien , S. H. and Hammond , L. L. 1990 . Development and evaluation of the Pi soil test for plant‐available phosphorus . Communications in Soil Science and Plant Analysis , 21 : 1131 – 1150 .
- Mylavarapu , R. S. and Kennelley , E. S. 2002 . UF/IFAS Extension Soil Testing Laboratory (ESTL) analytical procedures and training manual 2 – 4 . Gainesville, Florida : Florida Cooperative Extension, University of Florida . Extension Circular 1248
- Nesse , P. , Grava , J. and Bloom , P. R. 1988 . Correlation of several tests for phosphorus with resin extractable phosphorus for 30 alkaline soils . Communications in Soil Science and Plant Analysis , 19 : 675 – 689 .
- Sharpley , A. N. 1991 . Soil phosphorus extracted by iron–aluminum‐oxide‐impregnated filter paper . Soil Science Society of Agronomy Journal , 55 : 1038 – 1041 .
- Sims , J. R. and Jackson , G. D. 1971 . Rapid analysis of soil nitrate with chromotropic acid . Soil Science Society of America Proceedings , 35 : 603 – 606 .
- Sunderman , F. W. and Sunderman , F. W. 1958 . Studies in serum electrolytes: A rapid, reliable method for serum potassium using tetraphenylboron . American Journal of Clinical Pathology , 29 : 95 – 103 .
- Tran , T. S. , Giroux , M. , Guilbeault , J. and Audesse , P. 1990 . Evaluation of Mehlich III extractant to estimate the available P in Quebec soils . Communications in Soil Science and Plant Analysis , 21 : 1 – 28 .
- Wantanabe , F. S. and Olsen , S. R. 1965 . Test of ascorbic acid method for determining phosphorus in water and NaHCO3 extractants for soil . Soil Science Society of America Proceedings , 29 : 677 – 678 .
- Webb , B. L. , Hanks , D. H. and Jolley , V. D. 2002 . A pressurized hot water extraction method for boron . Communications in Soil Science and Plant Analysis , 33 : 31 – 39 .
- Yaalon , D. H. 1996 . Soil science in transition: Soil awareness and soil care research strategies . Soil Science , 161 : 3 – 8 .