Biblio
“Water-extractable phosphorus in animal manure and biosolids”, Methods of Phosphorus Analysis for Soils, Sediments, Residuals, and Waters, 2009.
, “Selection of a Water-Extractable Phosphorus Test for Manures and Biosolids as an Indicator of Runoff Loss Potential”, Journal of Environment Quality, vol. 36, no. 5, p. 1357, 2007.
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