Submitted to: Agronomy Abstracts
Publication Type: Abstract Only
Publication Acceptance Date: July 15, 2002
Publication Date: November 23, 2002
Citation: Saporito, L.S., Stout, W.L. 2002. Controling P in runoff with industrial byproducts [Abstract]. Agronomy Abstracts. Paper No. 2232. Technical Abstract: Phosphorus export from high P agricultural lands is a major cause of eutrophication in fresh waters of the northeast US. Recent work has shown that the solubility of P in high P soils can be reduced with applications of coal combustion by-products (CCBs) to croplands, thereby decreasing the potential for non-point export of dissolved P(DP) from these soils. However, surface runoff from croplands and animal feeding areas is often concentrated at specific sites (i.e. depressions, ditches, etc.). P absorbing agents such CCBs may capture DP in runoff at these sites through direct absorption. We tested several P absorbing agents contained in drain fabric to determine their ability to reduce P from simulated runoff. The P absorbing agents reduce DP in the simulated runoff by 40 to 50%.