About: http://webisa.webdatacommons.org/197769379

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	Similar unrecognized environmental interactions may arise between CO2 and water, nutrient or other stresses which may exaggerate the yield response to elevated CO2.
http://www.w3.org/ns/prov#wasQuotedFrom	usda.gov