About: http://webisa.webdatacommons.org/316897764

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	Initially energy crops, such as switchgrass, willow, and poplar, were targeted as sources of bio-energy, recently crop residues, especially corn stover and wheat straw, have been identified as a source of cellulosic biomass.
http://www.w3.org/ns/prov#wasQuotedFrom	usda.gov