Field Agronomist: Mark Johnson

Mark Johnson

Counties Served
  • Calhoun
  • Cerro Gordo
  • Franklin
  • Hamilton
  • Hardin
  • Humboldt
  • Webster
  • Worth
  • Wright
Areas of Expertise
  • Integrated Crop Management
  • Corn and soybean management
  • Soil fertility
  • Alfalfa
  • Tillage systems
  • Integrated Pest Management - weeds, insects and crop diseases
  • Soil surveys
Frequent Clients

Farmers,crop consultants, agronomists, local sales agronomists, farm managers

Joined ISU Extension

April 2013

Extension Positions/Other Experience
  • Seed field agronomist
  • District sales manager
  • Technical support agronomist
  • Crop consultant
  • Agronomy claims manager
Education

B.S in Ag Ed, M.S. in Agronomy

Awards/Honors/Publications
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