About: http://webisa.webdatacommons.org/428646180

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	Some primary nutrients, such as nitrogen, phosphorus and potassium, are needed in larger amounts, while others such as boron are called micronutrients because they are needed in trace amounts.
http://www.w3.org/ns/prov#wasQuotedFrom	sfgate.com