An improved phosphorus desorption index for the routine determination of the Ambic 2 phosphorus requirement factor of South African soils

South African Journal of Plant and Soil

Volumn 21, Issue 1, 2004, Pages 13-20

  Henry, P C ^a   Smith, Marie F ^b  

^a AGRICULTURAL RESEARCH COUNCIL   (South Africa)

^b ARC Biometry Unit   (Australia)

Author keywords

P extraction solutions; P fertiliser recommendation; P fixation; Soil P tests

Indexed keywords

FERTILIZER APPLICATION; INDEX METHOD; PHOSPHORUS; SOIL CHEMISTRY;

AFRICA; KWAZULU-NATAL; SOUTH AFRICA; SOUTHERN AFRICA; SUB-SAHARAN AFRICA;

EID: 2042520106     PISSN: 02571862     EISSN: None     Source Type: Journal    
DOI: 10.1080/02571862.2004.10635016     Document Type: Article

References (13)

1. Bray, R. H.L., and Kurtz, L. T., 1945. Determination of total and available forms of P in soils. Soil Sci., 53:39–45.
2. Farina, M. P.W., Manson, A. D., and Johnston, M. A., 1993. “ Fertiliser Guidelines. ”. In Maize in Natal. Edited by:Abbot, Marion, and Parsons, M. J., Oxford:VSN International. Chap. 6. Cedara Agric. Develp. Inst. Dept. Agric. GenStat for Windows, 2000. Release 4.2, Fifth Edition, Reference Manual
3. Hunter, A. H., 1975. “ New techniques and equipment for routine soil/plant analytical procedures. Soil management in tropical soils, 455–466. ”. In Proceedings of Seminar held at CIAT, Cali, Colombia, Feb. 10–14, 1974. Published by N.C. State University, Raleigh, North Carolina. Edited by:Boraemisza, E., and Albarado, A.
4. Johnston, M. A., Miles, N., and Thibaud, G. R., 1991. Quantity of phosphorus fertiliser required to raise the soil test value. S. Afr. J. Plant Soil, 8:17–21.
5. Johnston, M. A., Farina, M. P.W., and Lawrence, J. Y., 1987. Estimation of soil texture from the sample density. Commun. Soil Sci. Plant Anal., 18:1173–1180.
6. Macvicar, C. N., De Villiers, J. M., Loxton, R. F., Verster, E., Lambrechts, J. J.N., Merryweather, F. R., Le Roux, J., Van Rooyen, T. H., Harmse, H. J., and Von, M., 1977. Soil classification:a binomial system for South Africa. Dept. Agric. Tech. Services, Pretoria, South Africa.
7. Mclean, E. O., Oloya, T. O., and Adams, J. L., 1979. Soil tests to inventory the initially available levels and to assess the fates of added P and K as bases for improved fertiliser recommendations. Commun. Soil Sci. Plant Anal., 10:623–630.
8. Mclean, E. O., Oloya, T. O., and Mostaghimi, S., 1982. Improved corrective fertiliser recommendations based on a two- step alternative usage of soil tests:I. Recovery of soil-equilibrated phosphorus. Soil Sci. Soc. Am. J., 46:1193–1197.
9. Murphy, J., and Riley, J. P., 1962. A modified single solution method for the determination of P in natural waters. Anal. Chim. Acta., 27 31–36
10. Peck, T. R., Kurtz, L. T., and Tandon, H. L.S., 1971. Changes in Bray P-1 soil phosphorus test values resulting from applications of phosphorus fertiliser. Soil Sc. Soc. Am. Proc., 35:595–598.
11. Reeve, N. G., and Sumner, M. E., 1970. Effects of aluminium toxicity and phosphorus fixation on crop growth and oxisols in Natal. Soil Sc. Soc. Am. Proc., 34:263–267.
12. Truog, E., 1930. The determination of readily available phosphorus of soils. J. Am. Soc. Agron., 22:874–882.
13. 2EDTA method for the determination of extractable P, K, Ca, Mg, Cu, Fe, Na, Zn in soils. S.I.R.I Inf. Bul. B2/2. Dept. Agric. Fish. Rep. S.Afr