PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ???This indicates that as atmospheric carbon dioxide concentrations rise and nitrate assimilation in plant tissues diminishes, crops will become depleted in organic nitrogen compounds, including protein, and food quality will suffer,??? Bloom said. ???Increasing nitrogen fertilization might compensate for slower nitrate assimilation rates, but this might not be economically or environmentally feas
http://www.w3.org/ns/prov#wasQuotedFrom
  • climatesight.org