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AWWA JAW37623
- Journal AWWA - Alum Sludge Land Application and Its Effect on Plant Growth
- Journal Article by American Water Works Association, 11/01/1994
- Publisher: AWWA
$15.00$30.00
These investigators conducted three greenhouse experiments to determine the impact of alum sludge from the Harwood's Mill water treatment plant, Newport News, Virginia, on the growth and chemical composition of fescue grass. Fescue yields decreased with increased sludge addition, a trend that was attributed to reductions in plant-available phosphorus (P) at higher loadings. Supplemental P fertilization corrected this deficiency. Lime addition did not affect yield. The presence of manganese and copper in the sludge increased metal uptake by the plants but did not affect yield. Includes 14 references, table, figures.
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