About: http://webisa.webdatacommons.org/408563244

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	A uniform field requires relatively few samples; a field that varies due to topography, soil type, compaction, uneven emergence, water damage, drought stress, nitrogen deficiency or other factors requires more samples.
http://www.w3.org/ns/prov#wasQuotedFrom	pioneer.com