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Estimating bioavailable reserves and potential leaching of soil P by simple chemical tests

Saarela, Into (2008) Estimating bioavailable reserves and potential leaching of soil P by simple chemical tests. In: NJF Report, Nordic Association of Agricultural Scientists, 4 (4), pp. 166-170.

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Summary

The amounts of P extracted with acid ammonium acetate are significantly correlated with the bioavailable P reserves of Finnish soils. Together with clay percentage the simple extraction method is fairly reliable. In routine soil testing clay% can be estimated visually. Additional improvement in accuracy is possible by extraction with a strong acid. Leaching losses of P are also significantly correlated with acetate-extractable soil P, but the concentration of dissolved phosphate at a certain soil test P value varies with other soil properties and increases with decreasing pH.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:phosphorus, reserves, leaching, tests
Subjects: Soil > Nutrient turnover
Research affiliation: Finland > MTT Agrifood Research
Related Links:http://www.njf.nu/filebank/files/20081124$090257$fil$zOVHaH474860Yr2l1u6u.pdf
Deposited By: Koistinen, Riitta
ID Code:15044
Deposited On:09 Dec 2008
Last Modified:12 Apr 2010 07:38
Document Language:English
Status:Published
Refereed:Not peer-reviewed

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