Research Staff and Programs


  • James Adkins
    Extension Associate III


Susan White-Hansen
Agriculture Specialist
David Hansen
Assistant Professor
Water Quality and Nutrient Management

  • Shawn Tingle
    Extension Associate I
  • Sydney Riggi
    Extension Associate II 
Ian McCann
 Irrigation and
Water Management Specialist

Irrigation Page

Irrigation Spreadsheet

Chemical Injection Rate Considerations with Center Pivots

Bradley A. King1 and Ian R. McCann2

Mark VanGessel

Extension Specialist &
 Professor of
Weed/Crop Management

  • Quintin Johnson
    Extension Associate II
  • Barbara Scott
    Research Associate
Weed Science Home Page
Cooperative Extension Education in Agriculture and Home Economics, University of Delaware, Delaware State University and the United States Department of Agriculture cooperating.  Distributed in furtherance of Acts of Congress of May 8 and June 30, 1914. It is the policy of the Delaware Cooperative Extension System that no person shall be subjected to discrimination on the grounds of race, color, sex, disability, age, or national origin.