For soil testing, soil fertility, fertilizers, animal waste nutrients related questions, contact:
Hail in Zhang - Soil Testing/Nutrient Management
Bill Raun - Nutrient Management/Precision Ag.

  Cropping Systems and Oil Seed Crop Production, contact
  Chad Godsey - Cropping Systems Specialist
 

For crop production, contact:
John Caddel - Forage Legume
Daren Redfearn - Forage and Pasture
J.C. Banks - Cotton
Jeff Edwards- Small Grains
Terry Bidwell - Rangeland

For drinking water, pond water, irrigation water, contact:
Mike Smolen - Water Quality Coordinator
Michael Kizer - Extension Irrigation Specialist
Marley Beem, - Aquaculture Specialist

For vegetables, flowers, lawn, golf courses, fruit crops contact:
David Hillock- Consumer Horticulture (lawn, garden, etc.)
Lynn Brandenberger - Vegetables
Dennis Martin  - Turf grass
Michael Schnelle - Ornamentals
Eric T. Stafne  - Fruit Crops
 

For pests related questions, contact:
Case Medlin - Weeds
Tom Royer - Insects
Phillip Mulder, Jr. - Insects
Robert Hunger - Plant Diseases
Jim Criswell - Pesticide Coordinator

For animal nutrition, contact:
David Lalman - Extension Beef Cattle Specialist
Noah Litherland - Extension Dairy Specialist
Freeman, David - State Equine Specialist
Selk, Glenn - Animal Reprod. Specialist
 

For animal waste management, contact:
Doug Hamilton - Extension Waste Management Specialist
Hail in Zhang - Nutrient Management Specialist
Josh Payne - Area Animal Waste Management Specialist
 

For lime, fertilizer and soil amendments rules and testing, contact:
Oklahoma Department of Agriculture, Food and Forest Laboratory
 

Other laboratories in the area:
Oklahoma Animal Disease Diagnostic Laboratory
Plant Disease and Insect Diagnostic Laboratory
State Environmental Laboratory (DEQ)