This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them. Informa PLC's registered office is 5 Howick Place, London SW1P 1WG. Registered in England and Wales. Number 8860726.
Joel DeJong is the Iowa State University Extension field agronomist for northwest Iowa. He works with farmers on integrated management of pest populations, crop management, and nutrient and manure management. DeJong also trains company agronomists on research-based crop production practices, and teaches certified crop advisers on production, nutrient and pest management issues.