About: http://webisa.webdatacommons.org/222481501

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	It seems to me plants can use the inorganic salts we dump in better than algae does and algae can use the organic forms of nitrogen and phosphorus as well or better than the plants.
http://www.w3.org/ns/prov#wasQuotedFrom	plantedtank.net