About: http://webisa.webdatacommons.org/20551450

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	Cations, especially Ca, complex with heavy metals thereby reducing their availability to plants or they may block the heavy metal binding sites on the thylakoid membrane (Issa et al., 1995).
http://www.w3.org/ns/prov#wasQuotedFrom	agronomy.org