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How long does a phosphate ion remain in the solution of agricultural soils?



How long does a phosphate ion remain in the solution of agricultural soils?



Soil management in sustainable agriculture Proceedings Third International Conference on Sustainable Agriculture, Wye College, University of London, UK, 31 August to 4 September 1993: 243-248



The influences of soil properties and agricultural practices on the mean residence time of phosphate ions in the soil solution (Tm) were assessed. Tm was measured with the isotopic exchange kinetics method on the surface horizon of 213 soils from Albania. Almost 90% of the samples presented a Tm value included between 10-4 and 10-1 minute. Tm depended primarily on the soil iron oxide content, and was only slightly affected by current farming practices.

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