About: http://webisa.webdatacommons.org/407532794

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	The calculator gives highest priority to all nutrients except Ca and S which are left as ???degrees of freedom??? to solve the necessary equations (since these are the nutrients plants can handle in the widest ranges).
http://www.w3.org/ns/prov#wasQuotedFrom	scienceinhydroponics.com