About: http://webisa.webdatacommons.org/271283772

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	Magnesium is an essential element and lack of it will cause yellowish areas between the leaf veins on older leaves.
http://www.w3.org/ns/prov#wasQuotedFrom	rhododendron.org