Nutrient Management

James Adkins and Amy Shober in a field with a green tractor

Applied research and education programs conducted by the UD Nutrient Management Program are designed to assist Delaware’s agricultural and horticultural producers improve nutrient use efficiency to increase profitability, while protecting and improving environmental quality.

The University of Delaware Nutrient Management Program works closely with the Delaware Nutrient Management Commission to offer certification and continuing education programs in accordance with the 1999 Delaware Nutrient Management Act.

The certification program promotes the proper handling of nutrients to improve water quality while maintaining profitability for producers. The UD Nutrient Management Program provides many certification and continuing education opportunities to help individuals obtain and maintain certification with the State.


Certification and education





Contact information

Dr. Amy Shober
Professor and Extension Specialist
Nutrient Management and Environmental Quality
Work Phone: (302) 831-2146
Work Email:

Jennifer Volk
Extension Specialist, Environmental Quality and Management
Director, Kent County Extension
Work Phone: (302) 730-4000
Work Email:

Sydney Young Riggi
Extension Agent
Nutrient Management Program
Work Phone: (302) 730-4000
Work Email:

Shawn Tingle
Research Associate
Nutrient Management Program
Work Phone: (302) 856-2585 + (572)
Work Email: