Phosphorus

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Reducing discharged phosphorus[edit]

In many forms of LID practice, the dominant mechanism reducing the loading of phosphorus, is the significant volume reduction achieved.

See:


For infiltration practices an 'amendment' can help to retain even further P. Amendments


Phosphorous testing[edit]

To help ensure LID BMPs sustain healthy vegetation cover while not contributing substantially to nutrient loading of receiving waters, the quantity of extractable (i.e., available) P in the soil component needs to be measured and compared to design specifications or acceptance criteria.

Phosphorus testing