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Dr. Bob Hartzler is an ISU agronomy professor and an extension weed specialist. After years of removing milkweed from agricultural fields, he is encouraging its re-establishment in strategic locations to help stop monarch butterfly decline as a part of the Iowa Monarch Conservation Consortium.
By Jacqueline Comito5
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Dr. Bob Hartzler is an ISU agronomy professor and an extension weed specialist. After years of removing milkweed from agricultural fields, he is encouraging its re-establishment in strategic locations to help stop monarch butterfly decline as a part of the Iowa Monarch Conservation Consortium.