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- Sharpley, A.N.
- Fertilizer research 1993 v.36 no.3 pp. 259
- phosphorus; bioavailability; estimation; agricultural soils; runoff; analytical methods; iron oxides; water quality; eutrophication; no-tillage; tillage; watershed management; nutrient availability; algae and seaweeds; conventional tillage; risk
- ... Bioavailable phosphorus (BAP) transported in agricultural runoff can accelerate surface water eutrophication. Although several algal assays and chemical extractions have been proposed to estimate BAP, procedural and theoretical limitations have restricted widespread BAP measurement. Thus, a routine method was developed to estimate BAP, which uses iron oxide-impregnated paper strips (Fe-oxide strip ...