PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Loren St. John, the center???s manager, explained managing weeds is a major problem in the commercial conservation seed industry because herbicides used to control broadleaf invaders also kill most flowers and grasses.St. John has found that planting radishes as a cover crop reduces soil compaction through the deep taproots.
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  • capitalpress.com