Crops Program Specialist

Mark
Johnson

Integrated Crop Management, Corn and soybean management, Soil fertility, Alfalfa, Tillage systems, Integrated Pest Management - weeds, insects and crop diseases, Soil surveys. 

Phone: 
(515) 979-9578
Email: 
markjohn@iastate.edu
701 SE Lowell Dr
Ankeny, IA 50021
Counties Served: 
Calhoun, Cerro Gordo, Franklin, Hamilton, Hardin, Humboldt, Webster, Worth and Wright
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