| http://www.w3.org/ns/prov#value | - The number of aphids is increasing in Spokane and Whitman county small grain fields, according to Washington State University researchers.Reports include a relatively new aphid species, the cereal aphid, found in North America in 2013.Aphids can damage small grain crops through direct injury, by sucking nutrients directly from plant tissue, and indirectly by transmitting diseases such as barley ye
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