About: http://webisa.webdatacommons.org/299919274

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	Also, there are different types of iron that work better in different soil pH. I have the best luck with ferrous sulfate iron sources.
http://www.w3.org/ns/prov#wasQuotedFrom	lawnsite.com