This manual is intended to assist pesticide applicators to meet the requirements for certification under the Michigan Pesticide Control Act of 1976. The primary focus of this publication is on field crop pest control. The five sections presented describe: (1) Field crop pests; (2) Using pesticides in field crops; (3) Weed pests of field crops; (4) Disease control for field crops; and (5) Insect pests of field crops. A list of self-help questions and instructions for completing the questions are presented at the end of each section. (HM)