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Influence of Water Treatment Residuals on Phosphorus Solubility and Leaching

H.A. Elliott*,a, G.A. O'Connorb, P. Lub and S. Brintonb

a Agric. and Biol. Eng. Dep., Pennsylvania State Univ., University Park, PA 16802
b Soil and Water Sci. Dep., Univ. of Florida, Gainesville, FL 32611



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  		Fig. 1. Soluble P in suspensions of Immokalee soil amended with various P sources and various rates of water treatment residual generated using alum (Al-WTR).

 


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  		Fig. 2. Soluble P in suspensions of Immokalee soil amended with various P sources and various rates of water treatment residual generated using iron salts (Fe-WTR).

 


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  		Fig. 3. Soluble P in suspensions of Immokalee soil amended with various P sources and various rates of water treatment residual generated in a lime softening process (Ca-WTR).

 


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  		Fig. 4. Soluble P in suspensions of Immokalee soil amended with various P sources and various rates of Fe2O3.

 


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  		Fig. 5. Biosolids P leached (percent of total applied) as a function of the phosphorus saturation index (PSI) of the material.

 




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The SCI Journals Agronomy Journal Crop Science
Journal of Natural Resources
and Life Sciences Education		 Vadose Zone Journal
Soil Science Society of America Journal Journal of Plant Registrations The Plant Genome
Copyright © 2002 by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.