Investigation: Human waste fertilizes farms, but fuels toxic algae bloomsJuly 1, 2017Written by Guy Hancock Investigation: Human waste fertilizes farms, but fuels toxic algae blooms Deregulated “fertilizer” contains same nitrogen and phosphorus as regulated “sludge.” Lucas Daprile , [email protected] http://www.tcpalm.com/story/news/investigations/2017/02/07/biosolids-pollute-florida-watersheds/97443714/