Water Purification
Further information: Organisms_used_in_water_purification Further information: Treatment_pondIn water purification, Yellow Iris (I. pseudacorus) is used. The roots are usually planted in a substrate (e.g. lava-stone) in a reedbed-setup. The roots then improve water quality by consuming nutrient pollutants, such as from agricultural runoff.
Read more about this topic: Iris (plant)
Famous quotes containing the word water:
“‘Tis not enough on roots and in the mouth,
But give me water heavy on the head
In all the passion of a broken drouth.”
—Robert Frost (1874–1963)