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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	Control of Nitrogen Deficiency.???This topic is treated more extensively in a later chapter, and no attempt will be made to discuss it here, except to point out a few guiding principles.
http://www.w3.org/ns/prov#wasQuotedFrom	ucr.edu