About: http://webisa.webdatacommons.org/410445725

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	If the natural fertility or structure of the soil is poor, it must be continuously fed with organic matter, such as leaves and manure, in order to improve its productivity and water-holding capacity.
http://www.w3.org/ns/prov#wasQuotedFrom	fao.org