Phosphate removal from nursery runoff using an iron-based remediation system

Phosphorous (P) losses from containerized plant production nurseries can be significant due to the low nutrient retention capacities of the soilless media components. Many states are developing or have developed more stringent rules for limiting nutrient discharges into public waterbodies to improve water quality. Effective methods are needed to reduce amounts of P in runoff and drainage water. This study investigated the use of a small scale flow-through ferrous iron (Fe(II))-based remediation system for chemically precipitating P.

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