| http://www.w3.org/ns/prov#value | - These plants do not require insecticides and can provide a home to predatory species that consume the crop-destroying pests.Perennial crops provide year???round habitat for beneficial insects, birds, and other wildlife, and are critical for buffering streams and rivers from soil erosion and preventing nutrient and pesticide pollution, says Doug Landis, Michigan State University professor of ento
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