Crop Advantage Series

January 22, 2019 | Le Mars, Iowa

Crop Advantage meetings provide a solid foundation of current, research-based crop production information to help make smart, informed decisions in the farming operation.

84% of attendees responding to follow-up surveys said information from Crop Advantage would likely save them between $5 and $20 per acre.

Source: 2016 statewide series evaluation

"In one place, in one day, I can learn several different subjects from knowledgeable instructors, but most all good information for me to have on the farm.."

Le Mars post-meeting evaluation, 2017

Private pesticide applicator recertification

Crop Advantage meetings are approved for recertification for Iowa private pesticide applicators. Applicators must attend the entire meeting (including at least one pest management topic) to receive recertification credit. Recertification is included in meeting registration.

Continuing education

CCA logo

This meeting is approved for continuing education credits for Certified Crop Advisers (CCAs). Credits awarded will depend on workshop sessions attended during the program. Program listings use the following credit designations: CM-crop management, PM-pest management, NM-nutrient management, SW-soil and water. All presentations are 1.0 credit.



January 22, 2019

Registration check-in 9:30 AM.
Program begins at 10:00 AM and concludes at 4:20 PM.


Le Mars Convention Center
251 12th St Southeast, Le Mars, IA 51031

Program for Le Mars

Tuesday, January 22, 2019Print the program

9:30 AM Registration opens
10:00 AM Profitable use of weather data – Elwynn Taylor, Extension climatologist (CM)
11:00 AM Session A (select one topic)
Emerging pest in Iowa: Soybean gall midge – Ashley Dean, graduate research assistant, Entomology (PM)
Herbicides alone won't win the weed war! – Bob Hartzler, Extension weed management specialist (PM)
Long-term tillage and rotation effects on carbon, yield and economics – Mahdi Al-Kaisi, Extension soil and water management specialist (SW)
11:50 AM Lunch (provided)
12:40 PM Session B (select one topic)
Drainage issues in northwest Iowa – Kris Kohl, Extension agricultural engineering field specialist (SW)
Lean and mean crop production for 2019 – Mark Licht, Extension cropping systems specialist (CM)
Potassium effects on crop yield, corn response to nitrogen, and soybean diseases – Antonio Mallarino, Extension soil fertility specialist (NM)
1:35 PM Session C (select one topic)
2018 NW Iowa on-farm and research farm results – Joel DeJong, Extension field agronomist; Andrew Weaver, Northwest Iowa Research Farm (CM)
Nitrogen management in variable environments – John Sawyer, Extension soil fertility specialist (NM)
Tariffs: Past, present and future – Gary Wright, Extension farm management field specialist (CM)
2:30 PM 2019 Ag outlook: It's stressful. How can we deal with it? – Chad Hart, Extension ag economist; Lori Hayungs, Extension family life specialist (CM)
3:35 PM Iowa Private Pesticide Applicator Continuing Instruction Course (Applicators must attend entire meeting to receive recertification.)Joel DeJong, Extension field agronomist
4:20 PM Meeting adjourns



  • $50
    Early registration, prior to midnight, January 16, 2019
  • $60
    Late or on-site registration
  • Registration includes lunch, proceedings booklet, refreshment breaks, private pesticide applicator recertification and CCA credits.


  • Cancellations requesting a refund must be received no later than 3 days prior to the meeting (except weather related).
  • Confirmation of registration and receipts are sent via email. Please provide a valid email address when registering.
  • For assistance with registration, receipts, cancellation or questions on the status of your registration please contact ANR Program Services at (515) 294-6429 or


  • If weather conditions cause a change in meeting plans a notice will be posted on this webpage and provided to local media and radio stations. Any decisions regarding holding the meeting will be announced before 6:00 AM the day of the meeting. Meetings will not be rescheduled. Those registered may transfer to another location or request a refund.

Extension field agronomist

Joel DeJong

Joel DeJong
Extension field agronomist
Iowa State University Extension and Outreach
(712) 540-1085