2017 integrated crop management conference integrated crop management conference november 29 and 30,...

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2017 Integrated Crop Management Conference November 29 and 30, 2017 | Iowa State University | Ames, Iowa Workshops are organized by Certified Crop Adviser category and numbered sequentially. Workshops are referenced by number in the schedule grid, registration form and online registration process. Presentation times are listed below each workshop description as well as in the schedule grid included in this program to assist with developing your customized program. Some authors present more than one workshop. Please be sure to select the correct workshop during registration. Registration may be completed online or by mailing the 2-page form at the back of this program. Conference Program and Registration Crop Management 1. Weather outlook 2018 and understanding inversions (1.0 CM) Elwynn Taylor, professor and Extension climatologist, Agronomy, Iowa State.University, Ames, IA La Nina may be in store for the 2018 crop season bringing greater than usual weather extremes to the Midwest. The nature of weather extremes is discussed and will include "understanding inversions and their implications for spray drift." Session M - Thursday, 2:00 PM - 2:50 PM Session N - Thursday, 3:00 PM - 3:50 PM 2. Key management practices that explain soybean yield gaps across the North Central U.S. (1.0 CM) Shawn Conley, professor and State Soybean and Small Grains Specialist, University of Wisconsin, Madison, Madison, WI Measured on-farm soybean yield is often half of the maximum genetic yield potential. In this session we will discuss the major yield limiting factors that lead to soybean yield gap disparity across the North Central U.S. Session J - Thursday, 10:10 AM - 11:00 AM Session K - Thursday, 11:10 AM - 12:00 PM 3. Corn planting decisions: What's changed and what's the same? (1.0 CM) Mark Licht, assistant professor and Extension cropping systems specialist, Agronomy, Iowa State University, Ames, IA This presentation will hit the highlights on recent corn planting decision research; planting date windows, row spacing and seeding rate. Planting is the first crucial shot at attaining achieving high yield and profitable production. How can planting date windows, row spacing and seeding rates impact the growing season outcomes? Session M - Thursday, 2:00 PM - 2:50 PM Session N - Thursday, 3:00 PM - 3:50 PM 4. Water availability, root depths, and 2017 crop yields (1.0 CM) Sotirios Archontoulis, assistant professor, Agronomy, Iowa State University , Ames, IA Data on corn and soybean root growth, soil moisture, groundwater table, soil nitrate, and crop yields from more than 10 Iowa field trials carried out in 2017 will be presented and analyzed using a systems approach. Implications for 2018 year will be discussed. Session A - Wednesday, 9:00 AM - 9:50 AM Session B - Wednesday, 10:00 AM - 10:50 AM Integrated Crop Management Conference 1151 NSRIC, 1029 N University Blvd, Ames, Iowa 50011-3611 [email protected] | (515) 294-6429 www.aep.iastate.edu/icm

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2017 Integrated Crop Management ConferenceNovember 29 and 30, 2017 | Iowa State University | Ames, Iowa

Workshops are organized by Certified Crop Adviser category and numbered sequentially. Workshops are referenced bynumber in the schedule grid, registration form and online registration process. Presentation times are listed below eachworkshop description as well as in the schedule grid included in this program to assist with developing your customizedprogram. Some authors present more than one workshop. Please be sure to select the correct workshop duringregistration. Registration may be completed online or by mailing the 2-page form at the back of this program.

Conference Program and Registration

Crop Management

1. Weather outlook 2018 and understanding inversions (1.0 CM)Elwynn Taylor, professor and Extension climatologist, Agronomy, Iowa State.University, Ames, IALa Nina may be in store for the 2018 crop season bringing greater than usual weather extremes to the Midwest. Thenature of weather extremes is discussed and will include "understanding inversions and their implications for spraydrift."

Session M - Thursday, 2:00 PM - 2:50 PMSession N - Thursday, 3:00 PM - 3:50 PM

2. Key management practices that explain soybean yield gaps across the North Central U.S. (1.0 CM)Shawn Conley, professor and State Soybean and Small Grains Specialist, University of Wisconsin,Madison, Madison, WIMeasured on-farm soybean yield is often half of the maximum genetic yield potential. In this session we will discuss themajor yield limiting factors that lead to soybean yield gap disparity across the North Central U.S.

Session J - Thursday, 10:10 AM - 11:00 AMSession K - Thursday, 11:10 AM - 12:00 PM

3. Corn planting decisions: What's changed and what's the same? (1.0 CM)Mark Licht, assistant professor and Extension cropping systems specialist, Agronomy, Iowa StateUniversity, Ames, IAThis presentation will hit the highlights on recent corn planting decision research; planting date windows, row spacingand seeding rate. Planting is the first crucial shot at attaining achieving high yield and profitable production. How canplanting date windows, row spacing and seeding rates impact the growing season outcomes?

Session M - Thursday, 2:00 PM - 2:50 PMSession N - Thursday, 3:00 PM - 3:50 PM

4. Water availability, root depths, and 2017 crop yields (1.0 CM)Sotirios Archontoulis, assistant professor, Agronomy, Iowa State University , Ames, IAData on corn and soybean root growth, soil moisture, groundwater table, soil nitrate, and crop yields from more than10 Iowa field trials carried out in 2017 will be presented and analyzed using a systems approach. Implications for 2018year will be discussed.

Session A - Wednesday, 9:00 AM - 9:50 AMSession B - Wednesday, 10:00 AM - 10:50 AM

Integrated Crop Management Conference1151 NSRIC, 1029 N University Blvd, Ames, Iowa 50011-3611

[email protected] | (515) 294-6429www.aep.iastate.edu/icm

Conference Program

5. Corn dry matter loss after maturity: Fact or fiction? (1.0 CM)Mark Licht, assistant professor and Extension cropping systems specialist, Agronomy, Iowa StateUniversity, Ames, IA; Charles Hurburgh, professor, Agricultural and Biosystems Engineering, IowaState University, Ames, IA; Mark Hanna, Extension agricultural engineer, Iowa State University, Ames,IASpeculation abounds regarding mystery yield loss, phantom yield loss and invisible yield loss. All are terms for yield lostin the field, presumably from dry matter loss. This topic will provide data documenting dry matter from physiologicalmaturity to harvest. And discuss possible reasons for the phenomenon.

Session F - Wednesday, 3:10 PM - 4:00 PMSession G - Wednesday, 4:10 PM - 5:00 PM

6. Crop quality management for the 2017 harvest (1.0 CM)Charles Hurburgh, professor, Agricultural and Biosystems Engineering and professor in charge, IowaGrain Quality Initiative, Iowa State University, Ames, IAGrain quality and grain management issues from the 2017 harvest will be presented along with handlingrecommendations. Details of the recently announced College of Agriculture Feed Mill and Grain Science Complex willbe shared.

Session J - Thursday, 10:10 AM - 11:00 AMSession K - Thursday, 11:10 AM - 12:00 PM

7. Digital ag update: Drones and data (1.0 CM)Matt Darr, professor, Agricultural and Biosystems Engineering, Iowa State University, Ames, IA; RyanBergman, Precision Ag Specialist, Iowa State University, Ames, IAPresenters will share recent experiences and research results on using drones effectively for crop scouting and in-seasondecisions. Additional updates on precision ag data, high speed planting, and trends in precision ag will be covered.

Session L - Thursday, 1:00 PM - 1:50 PMSession M - Thursday, 2:00 PM - 2:50 PM

8. How do cover crops affect whole farm profitability? (1.0 CM)Alejandro Plastina, assistant professor and Extension economist, Economics, Iowa State University,Ames, IAThe impact of cover crops on farm profitability is assessed through partial budgets for alternative cover crop mixes andlocations in Iowa, developed from a state-wide survey collected by the USDA National Agricultural Statistical Service.

Session A - Wednesday, 9:00 AM - 9:50 AMSession C - Wednesday, 11:00 AM - 11:50 AM

9. Crop market outlook: The good, the bad, and the mildly amusing (1.0 CM)Chad Hart, associate professor and Extension economist, Economics, Iowa State University, Ames, IAWe'll discuss the factors shaping the corn and soybean markets, the probable storylines for the 2018 crops, and thepotential for crop prices over the next 12-18 months.

Session D - Wednesday, 1:00 PM - 1:50 PMSession E - Wednesday, 2:00 PM - 2:50 PM

10. Current legal issues impacting crop production (1.0 CM)Kristine Tidgren, assistant director, Center for Agricultural Law and Taxation, Iowa State University,Ames, IAIn this session, Kristine will provide an update of several hot legal issues impacting crop production. Topics will includewater quality regulation (including a recap of the Des Moines Water Works lawsuit and what's ahead), liabilities andremedies for off-target herbicide injury, and the current legal landscape for UAVs.

Session J - Thursday, 10:10 AM - 11:00 AMSession K - Thursday, 11:10 AM - 12:00 PM

2017 Integrated Crop Management Conference | November 29 and 30, 2017 | Ames, Iowa page 2

Conference ProgramPest Management

11. IPM 101 (1.0 PM)Meaghan Anderson, Extension field agronomist, Iowa State University Extension and Outreach, IowaCity, IA; Laura Jesse Iles, director, and Ed Zaworski, diagnostician, Plant and Insect Diagnostic Clinic,Iowa State University, Ames, IAJoin the presenters for a fun, fast-paced quiz session on important weed, insect, and disease topics from 2017 andcoming up for 2018! This session will move quickly, so be prepared to test your skills and win a prize for the most pestknowledge!

Session D - Wednesday, 1:00 PM - 1:50 PMSession E - Wednesday, 2:00 PM - 2:50 PM

12. Genetically modified crops: Marvel or malady? (1.0 PM)Peter Goldsbrough, professor, Botany and Plant Pathology, Purdue University, West Lafayette, INTwenty years after their introduction, GMOs remain one of the most controversial technologies used in agriculture. Newgene editing techniques provide even more methods to modify plants and animals. Will these new technologies deliveron their promise or just deliver another dose of controversy?

Session B - Wednesday, 10:00 AM - 10:50 AMSession C - Wednesday, 11:00 AM - 11:50 AM

13. The Iowa Pest Resistance Management Plan: A community based approach to address pestresistance in Iowa (1.0 PM)Evan Sivesind, program manager, Entomology, Iowa State University, Ames, IAThe Iowa Pest Resistance Management Plan is a community based effort to address the increasing threat of pestresistance in Iowa. This session will present the history of the plan, an update on pilot projects being developed aroundthe state, and opportunities for involvement.

Session L - Thursday, 1:00 PM - 1:50 PMSession N - Thursday, 3:00 PM - 3:50 PM

14. Back to the basics: Integrating weed biology into weed management plans (1.0 PM)Jared Goplen, Extension Educator, Crops, University of Minnesota Extension, Morris, MNHerbicide-resistant giant ragweed and waterhemp continue to spread across the Midwestern U.S., making control withherbicides more difficult. This presentation will discuss specifics of how weed management plans can be improved byincorporating knowledge of weed biology to manage herbicide-resistant weeds.

Session D - Wednesday, 1:00 PM - 1:50 PMSession E - Wednesday, 2:00 PM - 2:50 PM

15. Dicamba injury: Crop and liability insurance perspectives (1.0 PM)Ray Massey, Extension professor, Agricultural Economics, University of Missouri, Columbia, MOHerbicide injury risk management requires active oversight of crop or liability insurance policies. Federal cropinsurance does not cover losses due to pesticide injury but has made provisions for protecting farmers' ActualProduction History (APH). Various provisions in liability insurance contracts may affect whether or not insurancecompanies pay for losses due to herbicide injury.

Session L - Thursday, 1:00 PM - 1:50 PMSession M - Thursday, 2:00 PM - 2:50 PM

16. Dicamba: Past, present, and future (1.0 PM)Bob Hartzler, professor and Extension weed scientist, Agronomy, Iowa State University, Ames, IAThe first year of dicamba use in dicamba resistant soybean resulted in unprecedented levels of off-target injury. Theproperties of dicamba, factors influencing off-target movement, and how to minimize risks in the future will bediscussed.

Session F - Wednesday, 3:10 PM - 4:00 PMSession G - Wednesday, 4:10 PM - 5:00 PM

2017 Integrated Crop Management Conference | November 29 and 30, 2017 | Ames, Iowa page 3

Conference Program

17. Weed management update for 2018 and beyond: The more things change... (1.0 PM)Micheal Owen, University Professor and Extension weed scientist, Agronomy, Iowa State University,Ames, IAThe presentation will focus on recent changes in weed management options and possible issues in 2018 and beyond.The herbicide-resistant weed situation in Iowa will be described. The use of herbicide-tolerant crop cultivars will bediscussed.

Session A - Wednesday, 9:00 AM - 9:50 AMSession B - Wednesday, 10:00 AM - 10:50 AM

18. Rootworm behavior and resistance in Bt cornfields (1.0 PM)Joseph Spencer, Principal Research Scientist and Research Program Leader in Insect Behavior, IllinoisNatural History Survey, University of Illinois, Champaign, ILBt corn was supposed to be a durable solution to corn rootworm problems. Unfortunately, Bt resistance among cornrootworms now limits the future utility of Bt hybrids for their management. Analyses of beetle behavior in non-Btrefuges designed to delay resistance suggest that our “best laid plans” likely promoted resistance evolution.

Session H - Thursday, 8:00 AM - 8:50 AMSession I - Thursday, 9:00 AM - 9:50 AM

19. Soybean aphid bites back: Update on pyrethroid resistance (1.0 PM)Erin Hodgson, associate professor and Extension entomologist, Entomology, Iowa State University,Ames, IASoybean aphid is an erratic pest in Iowa, and confirmed pyrethroid resistance in the Midwest has made pestmanagement more complicated. This presentation will provide an update on resistance and guidelines for cropprotection.

Session D - Wednesday, 1:00 PM - 1:50 PMSession E - Wednesday, 2:00 PM - 2:50 PM

20. Iowa monarch conservation, pest management and crop production (1.0 PM)Steve Bradbury, professor, Natural Resource Ecology and Management, Iowa State University, Ames,IAThe eastern population of the monarch butterfly has declined by 80% over the past two decades and may be listed as athreatened species under the Endangered Species Act. To increase monarch populations to a level that would reduce theprobability of extinction, establishment of milkweed and nectar plants in rural roadsides; marginal crop land; portionsof existing CRP land, pastures and grassland; and grassy areas bordering crop fields is needed. The presentation willdescribe the science-based Iowa Monarch Conservation Consortium’s strategy that integrates crop production, pestmanagement and monarch habitat needs.

Session B - Wednesday, 10:00 AM - 10:50 AMSession C - Wednesday, 11:00 AM - 11:50 AM

21. Where do we stand with soybean cyst nematode, resistance, and seed treatments? (1.0 PM)Gregory Tylka, professor, Plant Pathology and Microbiology, Iowa State University, Ames, IAThe soybean cyst nematode (SCN) continues to be rated the most-damaging soybean pathogen in the U.S. and Canada.Management of SCN with resistant varieties is becoming less and less effective. Seed treatments are available to use foradded protection. We'll discuss the current situation with SCN in this session using research data collected fromthroughout Iowa.

Session H - Thursday, 8:00 AM - 8:50 AMSession I - Thursday, 9:00 AM - 9:50 AM

2017 Integrated Crop Management Conference | November 29 and 30, 2017 | Ames, Iowa page 4

Conference Program

22. Status of bacterial leaf streak of corn in the United States (1.0 PM)Kirk Broders, assistant professor, Plant Pathology, Colorado State University, Fort Collins, COThis presentation will cover recent research on the ecology, epidemiology and genetics of the bacterial pathologyXanthomonas vasicola pv. vasculorum, which causes the disease bacterial leaf streak of corn. An update on potentialmanagement strategies based on this information will be provided, and a future outlook for the disease in the U.S. cornbelt will be discussed.

Session F - Wednesday, 3:10 PM - 4:00 PMSession G - Wednesday, 4:10 PM - 5:00 PM

23. Fungicide use on corn (1.0 PM)Alison Robertson, professor and Extension crop plant pathologist, Plant Pathology and Microbiology,Iowa State University, Ames, IAThis presentation will review Iowa small plot research on the effect of foliar fungicides on disease severity, yield andstandability of corn. Comparisons to regional data from small plot and on-farm trials will be discussed.

Session A - Wednesday, 9:00 AM - 9:50 AMSession C - Wednesday, 11:00 AM - 11:50 AM

24. Soybean disease update (1.0 PM)Daren Mueller, associate professor and Extension crop plant pathologist, Plant Pathology andMicrobiology, Iowa State University, Ames, IAThis presentation will cover research updates on soybean diseases such as sudden death syndrome and white mold. Iwill also give an overview of uncommon diseases found on soybean in 2017 in Iowa.

Session J - Thursday, 10:10 AM - 11:00 AMSession K - Thursday, 11:10 AM - 12:00 PM

25. Disease risks associated with cover crops in corn and soybean production (1.0 PM)Alison Robertson, professor and Extension crop plant pathologist, Plant Pathology and Microbiology,Iowa State University, Ames, IACover crops may affect disease risk in the following cash crop. This presentation will discuss ongoing research at IowaState University to understand how cover crops affect disease risk in corn and soybean production. We will also shareactions that may be taken to mitigate disease risk.

Session L - Thursday, 1:00 PM - 1:50 PMSession N - Thursday, 3:00 PM - 3:50 PM

Nutrient Management

26. Plant nutrition science for sustaining public trust (1.0 NM)Tom Bruulsema, vice president, Americas and Research, International Plant Nutrition Institute,Guelph, ONThe International Plant Nutrition Institute promotes and develops scientific information to support responsiblemanagement of plant nutrition. This presentation will identify key areas of science relating source, rate, time and placeof nutrient application to sustainability performance. Communication of both knowledge and knowledge gaps haspotential to improve public trust in agriculture.

Session J - Thursday, 10:10 AM - 11:00 AMSession K - Thursday, 11:10 AM - 12:00 PM

27. Nitrogen management for corn (1.0 NM)Emerson Nafziger, professor and Extension agronomist, University of Illinois, Urbana, ILIncreasing corn yields and increasing pressure to lower nitrogen loss into the environment have renewed emphasis onmanaging fertilizer N for corn. We'll look at recent data on N rate, form, timing, and placement, with emphasis onmaximizing the $ return to N while minimizing losses.

Session H - Thursday, 8:00 AM - 8:50 AMSession I - Thursday, 9:00 AM - 9:50 AM

2017 Integrated Crop Management Conference | November 29 and 30, 2017 | Ames, Iowa page 5

Conference Program

28. View from the sky: Mapping corn nitrogen status at the watershed level (1.0 NM)Peter Kyveryga, director of analytics, Iowa Soybean Association, Ankeny, IA; Chris Wilkins, GISdeveloper/data analyst, Iowa Soybean Association, Ankeny, IAThis presentation will display results of a two-year study using digital aerial and satellite imagery to map within-fieldcorn nitrogen status areas in the Middle Cedar River Watershed of Eastern Iowa. The digital imagery analyses werebased on within-field stalk nitrate survey of hundreds of imaged corn fields, field management information and site-specific rainfall observations from the fields. Historical trends in the use of nitrogen fertilizer and the diversity ofnitrogen practices used by farmers across the state will augment the discussion.

Session F - Wednesday, 3:10 PM - 4:00 PMSession G - Wednesday, 4:10 PM - 5:00 PM

29. Watch potassium management - It also affects corn response to nitrogen and soybean diseases(1.0 NM)Antonio Mallarino, professor, Agronomy, Iowa State University, Ames, IAPotassium effects on crop yield are well known, but recent research results show that it also affects yield by interactingwith other inputs or growing conditions. This presentation will discuss how K management affects the corn response tonitrogen fertilization and the incidence of some soybean diseases, and how this may affect soil-test K interpretations andfertilization decisions.

Session D - Wednesday, 1:00 PM - 1:50 PMSession E - Wednesday, 2:00 PM - 2:50 PM

30. Nitrogen dynamics with a rye cover crop (1.0 NM)John Sawyer, professor and Extension soil fertility specialist, Agronomy, Iowa State University,Ames, IAA rye cover crop is an important tool for reducing nitrate loss to water systems. The presentation will cover severaltopics related to nitrogen (N) in the rye cover crop system; such as effect on optimal N fertilization rate for corn, ryebiomass production and nutrient uptake, N recycled after rye termination, distribution of N and carbon in rye root andshoot material, and effect of tillage and high starter N practices on alleviating rye effect on corn yield.

Session A - Wednesday, 9:00 AM - 9:50 AMSession B - Wednesday, 10:00 AM - 10:50 AM

Soil and Water Management

31. Meeting the Iowa Nutrient Reduction Strategy goals: Scaling up practice adoption (1.0 SW)Jamie Benning, Extension water quality program manager, Iowa State University, Ames, IA; MatthewHelmers, professor and Extension agricultural engineer, Agricultural and Biosystems Engineering,Iowa State University, Ames, IA; Mark Licht, assistant professor and Extension cropping systemsspecialist, Agronomy, Iowa State University, Ames, IAParticipants in this workshop will collaboratively analyze five key questions about water quality in Iowa. Through theprocess of small group and facilitated discussion, participants will: identify the primary sources of nitrate-N andphosphorus (P) in Iowa surface water bodies, compare effective nitrate-N and P loss practices, evaluate the costs,benefits and barriers to adoption of the practices, and determine strategies for scaling up practice adoption to meet theIowa Nutrient Reduction Strategy goals.

Session J - Thursday, 10:10 AM - 11:00 AMSession K - Thursday, 11:10 AM - 12:00 PMSession L - Thursday, 1:00 PM - 1:50 PM

2017 Integrated Crop Management Conference | November 29 and 30, 2017 | Ames, Iowa page 6

Conference Program

32. The Iowa Nutrient Reduction Strategy Farmer Survey: Tracking changes in knowledge, attitudes,and behaviors (1.0 SW)Laurie Nowatzke, measurement coordinator, Iowa Nutrient Reduction Strategy, Iowa State University,Ames, IAIowa State University Extension, with support from the Iowa Department of Agriculture and Land Stewardship (IDALS),is conducting a five-year, longitudinal survey of farmers to help track the progress of Iowa Nutrient Reduction Strategy(NRS) by examining trends in farmers’ attitudes toward nutrient loss reduction and adoption of soil and waterconservation best management practices (BMPs). This presentation describes analysis and highlighted results from thefirst three years (2015-2017) of the survey. Trends in awareness of and attitudes toward the NRS and use of key BMPswill be examined. Results of Causal Mediation Analysis modeling will be presented to provide insight into how thedirect and indirect effects of key variables—farmers’ knowledge of and attitudes toward the NRS, information sources,nutrient management influences, watershed management activity, and conservation technical assistance—impactfarmers’ use of BMPs that can reduce nutrient losses.

Session D - Wednesday, 1:00 PM - 1:50 PMSession E - Wednesday, 2:00 PM - 2:50 PM

33. Impacts of 4R nitrogen management on drainage water quality (1.0 SW)Matthew Helmers, professor and Extension agricultural engineer, Agricultural and BiosystemsEngineering, Iowa State University, Ames, IAThis presentation will present on 25+ years of drainage water quality work across a range of sites in Iowa. The results ofa range of 4R nitrogen management practices will be discussed.

Session F - Wednesday, 3:10 PM - 4:00 PMSession G - Wednesday, 4:10 PM - 5:00 PM

34. Prairie strips for soil, water, and wildlife benefits (1.0 SW)Tim Youngquist, agricultural specialist, Agronomy, Iowa State University, Ames, IAOur research shows that prairie strips are an affordable option for farmers and farm landowners seeking to garnermultiple benefits. By converting 10% of a crop field to diverse, native perennials farmers and farmland owners canreduce the amount of soil leaving their fields by 90% and the amount of nitrogen leaving their fields through surfacerunoff by up to 85%. Prairie strips also provide potential habitat for wildlife, including pollinators and other beneficialinsects. Attend this session to learn more about how prairie strips can benefit your land or your clients.

Session M - Thursday, 2:00 PM - 2:50 PMSession N - Thursday, 3:00 PM - 3:50 PM

35. The science of cover crops in Iowa (1.0 SW)Liz Juchems, events coordinator , Iowa Learning Farms, Ames, IA; Stefan Gailans, research and fieldcrops director, Practical Farmers of Iowa, Ames, IAThe objective of our presentation is to share results and best management practice recommendations from multiplecover crop projects addressing: species selection, seeding methods, long term yield and soil health impacts using cerealrye, biological soil health indicators, grazing/foraging, and value of cover crops.

Since 2008, the Iowa Cover Crop Working Group (Iowa Learning Farms, Practical Farmers of Iowa, ISU Extension andOutreach, IDALS, USDA-ARS) has conducted research farm and on-farm cover crop research and demonstrations acrossthe state of Iowa.

Session H - Thursday, 8:00 AM - 8:50 AMSession I - Thursday, 9:00 AM - 9:50 AM

36. What is soil health, how do we measure it, and why the emphasis on soil biology? (1.0 SW)Marshall McDaniel, assistant professor, soil-plant interactions, Agronomy, Iowa State University,Ames, IAA discussion on what is soil health and how it is measured. An emphasis on soil biological aspects of soil health.

Session B - Wednesday, 10:00 AM - 10:50 AMSession C - Wednesday, 11:00 AM - 11:50 AM

2017 Integrated Crop Management Conference | November 29 and 30, 2017 | Ames, Iowa page 7

Conference ProgramProfessional Development

37. Financial stress in Iowa farms (1.0 PD)Alejandro Plastina, assistant professor and Extension economist, Economics, Iowa State University,Ames, IAIowa farm financial conditions have deteriorated since 2012, but average indicators of liquidity and solvency remainclose to their long term levels. However, average financial measures mask the variability across farms. My analysis tracksthe evolution of financial stress in Iowa farms using a panel of financial statements collected by the Iowa Farm BusinessAssociation.

Session H - Thursday, 8:00 AM - 8:50 AMSession I - Thursday, 9:00 AM - 9:50 AM

38. Where are Iowa and U.S. land values headed? (1.0 PD)Wendong Zhang, assistant professor and Extension economist, Economics, Iowa State University,Ames, IADespite the stagnant crop prices and farm income, the farmland market is relatively robust because of limited supply.This presentation discusses current situation and future outlook of land values for Iowa, the Midwest and the U.S.

Session F - Wednesday, 3:10 PM - 4:00 PMSession G - Wednesday, 4:10 PM - 5:00 PM

39. Recent developments in China and impacts on U.S. agricultural trade (1.0 PD)Wendong Zhang, assistant professor and Extension economist, Economics, Iowa State University,Ames, IAWith one in every four rows of soybean grown in Iowa going to China, you can never overestimate the importance ofChina for Iowa and U.S. agricultural trade. Now this has renewed interest as governor Branstad is the new ambassadorto China and China 's top leadership change occurs in mid-October.

Session H - Thursday, 8:00 AM - 8:50 AMSession I - Thursday, 9:00 AM - 9:50 AM

Pesticide Applicator Training

40. Seed Treatment Continuing Instruction Course (1.0 PM)Betsy Buffington, Extension program specialist, Pesticide Safety Education Program, Iowa StateUniversity, Ames, IA

To receive recertification, applicators must also attend a seed-treatment related pest management workshop in addition to thisworkshop. Options are workshops 21 or 24.

The Seed Treatment CIC program will provide continuing instruction credit for commercial pesticide applicatorscertified in categories 4 and 10. Topics covered will include safe handling and storage, personal protective equipment,and laws and regulations.

Session L - Thursday, 1:00 PM - 1:50 PM

41. Commercial Ag Weed, Insect, and Disease Management Continuing Instruction Course (1.0 PM)Kristine Schaefer, program manager, Pesticide Safety Education Program, Iowa State University,Ames, IA

To receive recertification applicators must also attend one pest management session in each of the subcategories they are certified(1A, 1B, and/or 1C) in addition to this session.Category 1A - Weeds - Workshops 11, 13, or 14-17Category 1B - Insects - Workshops 11, 13 or 18-20Category 1C - Crop Diseases - Workshops 11, 13 or 21-25

The Commercial Ag Weed, Insect, and Disease Management Continuing Instruction Course program will providerecertification credit for commercial pesticide applicators certified in categories 1A, 1B, 1C, and 10. Some of the topicscovered include laws and regulations, personal protective equipment, safe handling of pesticides, and pesticidestewardship.

Session M - Thursday, 2:00 PM - 2:50 PM

2017 Integrated Crop Management Conference | November 29 and 30, 2017 | Ames, Iowa page 8

29th Integrated Crop Management Conference

22 BrodersStatus of bacterial leafstreak of corn in the UnitedStates

16 HartzlerDicamba: Past, present,and future

Where are Iowa and U.S.land values headed?

38 ZhangCorn dry matter loss aftermaturity: Fact or fiction?

5 LichtImpacts of 4R nitrogenmanagement on drainagewater quality

33 HelmersView from the sky:Mapping corn nitrogenstatus at the watershed

28 Kyveryga

22 BrodersStatus of bacterial leafstreak of corn in the UnitedStates

16 HartzlerDicamba: Past, present,and future

Where are Iowa and U.S.land values headed?

38 ZhangCorn dry matter loss aftermaturity: Fact or fiction?

5 LichtImpacts of 4R nitrogenmanagement on drainagewater quality

33 HelmersView from the sky:Mapping corn nitrogenstatus at the watershed

28 Kyveryga

IPM 10111 Anderson14 Goplen

Back to the basics:Integrating weed biologyinto weed management

19 HodgsonSoybean aphid bites back:Update on pyrethroidresistance

Crop market outlook: Thegood, the bad, and themildly amusing

9 HartThe Iowa NutrientReduction Strategy FarmerSurvey: Tracking changes

32 NowatzkeWatch potassiummanagement - It alsoaffects corn response to

29 Mallarino

IPM 10111 Anderson14 Goplen

Back to the basics:Integrating weed biologyinto weed management

19 HodgsonSoybean aphid bites back:Update on pyrethroidresistance

Crop market outlook: Thegood, the bad, and themildly amusing

9 HartThe Iowa NutrientReduction Strategy FarmerSurvey: Tracking changes

32 NowatzkeWatch potassiummanagement - It alsoaffects corn response to

29 Mallarino

Iowa monarchconservation, pestmanagement and crop

20 Bradbury12 GoldsbroughGenetically modified crops:Marvel or malady?

17 OwenWeed management updatefor 2018 and beyond: Themore things change...

Water availability, rootdepths, and 2017 cropyields

4 ArchontoulisWhat is soil health, how dowe measure it, and whythe emphasis on soil

36 McDanielNitrogen dynamics with arye cover crop

30 Sawyer

Iowa monarchconservation, pestmanagement and crop

20 Bradbury12 GoldsbroughGenetically modified crops:Marvel or malady?

23 RobertsonFungicide use on corn How do cover crops affect

whole farm profitability?

8 PlastinaWhat is soil health, how dowe measure it, and whythe emphasis on soil

36 McDaniel

23Fungicide use on corn

Robertson17 OwenWeed management updatefor 2018 and beyond: Themore things change...

Water availability, rootdepths, and 2017 cropyields

4 ArchontoulisHow do cover crops affectwhole farm profitability?

8 PlastinaNitrogen dynamics with arye cover crop

30 Sawyer

Wednesday, November 29, 2017

Session A9:00 AM

Session B10:00 AM

Session C11:00 AM

Session D1:00 PM

Session E2:00 PM

Session F3:10 PM

Session G4:10 PM

Lunch11:50 AM

Break2:50 PM

Adjourn5:00 PM

1st and 2nd floor, Scheman Building. Staff will direct you to buffet lines and seating areas.

1st floor lobby and 2nd floor lobby areas, Scheman Building

Conference adjourns for the day.

CCA credit color coding: crop management, pest management, nutrient, soil and water, professional development

The number in each box refers to the workshop listings in the brochure or on the webpage. View listings for additional details.

29th Integrated Crop Management Conference

Thursday, November 30, 2017

Session H8:00 AM

Session I9:00 AM

Session J10:10 AM

Session K11:10 AM

Session L1:00 PM

Session M2:00 PM

Session N3:00 PM

Lunch12:00 PM

Break9:50 AM

Adjourn4:00 PM

Digital ag update: Dronesand data

7 Darr15 MasseyDicamba injury: Crop andliability insuranceperspectives

3 LichtCorn planting decisions:What's changed andwhat's the same?

Commercial Ag Weed,Insect, and DiseaseManagement Continuing

41 SchaeferWeather outlook 2018 andunderstanding inversions

1 TaylorPrairie strips for soil,water, and wildlife benefits

34 Youngquist

25 RobertsonDisease risks associatedwith cover crops in cornand soybean production

3 LichtCorn planting decisions:What's changed andwhat's the same?

The Iowa Pest ResistanceManagement Plan: Acommunity based

13 SivesindWeather outlook 2018 andunderstanding inversions

1 TaylorPrairie strips for soil,water, and wildlife benefits

34 Youngquist

Digital ag update: Dronesand data

7 Darr15 MasseyDicamba injury: Crop andliability insuranceperspectives

25 RobertsonDisease risks associatedwith cover crops in cornand soybean production

Seed TreatmentContinuing InstructionCourse

40 BuffingtonThe Iowa Pest ResistanceManagement Plan: Acommunity based

13 SivesindMeeting the Iowa NutrientReduction Strategy goals:Scaling up practice

31 Benning

24 MuellerSoybean disease update

2 ConleyKey managementpractices that explainsoybean yield gaps across

Current legal issuesimpacting crop production

10 TidgrenCrop quality managementfor the 2017 harvest

6 HurburghMeeting the Iowa NutrientReduction Strategy goals:Scaling up practice

31 BenningPlant nutrition science forsustaining public trust

26 Bruulsema

18 SpencerRootworm behavior andresistance in Bt cornfields

21 TylkaWhere do we stand withsoybean cyst nematode,resistance, and seed

Recent developments inChina and impacts on U.S.agricultural trade

39 ZhangFinancial stress in Iowafarms

37 PlastinaThe science of cover cropsin Iowa

35 JuchemsNitrogen management forcorn

27 Nafziger

24 MuellerSoybean disease update

2 ConleyKey managementpractices that explainsoybean yield gaps across

Current legal issuesimpacting crop production

10 TidgrenCrop quality managementfor the 2017 harvest

6 HurburghMeeting the Iowa NutrientReduction Strategy goals:Scaling up practice

31 BenningPlant nutrition science forsustaining public trust

26 Bruulsema

18Rootworm behavior andresistance in Bt cornfields

Spencer21 TylkaWhere do we stand withsoybean cyst nematode,resistance, and seed

Recent developments inChina and impacts on U.S.agricultural trade

39 ZhangFinancial stress in Iowafarms

37 PlastinaThe science of cover cropsin Iowa

35 JuchemsNitrogen management forcorn

27 Nafziger

1st floor lobby, Scheman Building

1st and 2nd floor, Scheman Building. Staff will direct you to buffet lines and seating areas.

Conference closes. Have a safe drive home.

CCA credit color coding: crop management, pest management, nutrient, soil and water, professional development

The number in each box refers to the workshop listings in the brochure or on the webpage. View listings for additional details.

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Integrated Crop Management ConferenceNovember 29 – 30, 2017 | Ames, Iowa

Iowa State University Extension and Outreach does not discriminate on the basis of age, disability, ethnicity, gender identity, genetic information, marital status, national origin, pregnancy, race, religion, sex, sexual orientation, socioeconomic status, or status as a U.S. veteran. (Not all prohibited bases apply to all programs.) Inquiries regarding non-discrimination policies may be directed to Ross Wilburn, Diversity Officer, 2150 Beardshear Hall, 515 Morrill Road, Ames, Iowa 50011, 515-294-1482, [email protected].

name

company or organization

address

city state ZIP

phone

( ) --e-mail

county

Please use a separate registration form for each individual.

Pre-registration is required to attend this conference. No registrations will be accepted at the conference. Deadline for registration is noon, November 27, 2017. Space is limited for this event and registration will be closed if capacity is reached. Updates on workshop availability and conference status will be posted online.

After acceptance of your registration a receipt will be provided by e-mail.

Registration includes morning and afternoon refreshments, lunch each day, and one copy of the conference proceedings book.

Registration is for both days. Single-day registration is not offered.

Cancellations requesting a refund must be received by midnight, November 17, 2017. Call (515) 294-6429 or email [email protected] to cancel a registration.

Registrations are not accepted by telephone. Submit this form (2 pages) with check payment to ANR Program Services 1151 NSRIC 1029 N University Blvd Ames, IA 50011-3611

For assistance with registration, receipts, billing, cancellation or questions on the status of your registration please contact ANR Program Services at [email protected] or (515) 294-6429.

Commercial Pesticide Applicator Recertification – Recertification is for calendar year 2017. There is a separate recertification fee for each session offered - Commercial Ag (1A, 1B, 1C) and Seed Treatment (4). In addition to the required recertification session applicators must attend one pest management workshop for each category. See program listings for details and qualifying workshops.

THIS REGISTRATION FORM HAS TWO PAGES. Both pages are required to complete registration.

CCA number Receipt and confirmation of registration will be sent by e-mail.

$TOTALcheck number (payable to Iowa State University)

$Early registration - $225 (before midnight, November 17)

$Late registration - $275 (before noon, November 27)

Conference Registration

$Commercial Ag - Categories 1A, 1B, 1C - $35

$Seed Treatment - Category 4 - $35

Commercial Pesticide Applicator Recertification

Register online at www.aep.iastate.edu/icm

To register by mail, please complete both pages of this registration form, attach a check payable to Iowa State University and mail to: ANR Program Services 1151 NSRIC 1029 N University Blvd Ames, IA 50011-3611

For assistance with registration, receipts, billing, cancellation or questions on the status of your registration contact ANR Program Services at [email protected] or (515) 294-6429.

þ Don’t forget page 2 - workshop selections

2017 Integrated Crop Management Conference | Registration, page 2Select one workshop for each session you are attending. Workshop numbers listed below refer to presentation descriptionsfound on the website and in the program booklet. If a workshop has reached capacity every effort will be made to adjust yourselections to accommodate your request.

Name: THERE ARE TWO PAGES TO THIS FORM.

Session A - Wednesday, 9:00 AM - 9:50 AMWater availability, root depths, and 2017 crop yields4 –How do cover crops affect whole farm profitability?8 –Weed management update for 2018 and beyond: The more things ...17 –Fungicide use on corn23 –Nitrogen dynamics with a rye cover crop30 –

Session B - Wednesday, 10:00 AM - 10:50 AMWater availability, root depths, and 2017 crop yields4 –Genetically modified crops: Marvel or malady?12 –Weed management update for 2018 and beyond: The more things ...17 –Iowa monarch conservation, pest management and crop producti...20 –Nitrogen dynamics with a rye cover crop30 –What is soil health, how do we measure it, and why the empha...36 –

Session C - Wednesday, 11:00 AM - 11:50 AMHow do cover crops affect whole farm profitability?8 –Genetically modified crops: Marvel or malady?12 –Iowa monarch conservation, pest management and crop producti...20 –Fungicide use on corn23 –What is soil health, how do we measure it, and why the empha...36 –

Session D - Wednesday, 1:00 PM - 1:50 PMCrop market outlook: The good, the bad, and the mildly amusi...9 –IPM 10111 –Back to the basics: Integrating weed biology into weed manag...14 –Soybean aphid bites back: Update on pyrethroid resistance19 –Watch potassium management - It also affects corn response t...29 –The Iowa Nutrient Reduction Strategy Farmer Survey: Tracking...32 –

Session E - Wednesday, 2:00 PM - 2:50 PMCrop market outlook: The good, the bad, and the mildly amusi...9 –IPM 10111 –Back to the basics: Integrating weed biology into weed manag...14 –Soybean aphid bites back: Update on pyrethroid resistance19 –Watch potassium management - It also affects corn response t...29 –The Iowa Nutrient Reduction Strategy Farmer Survey: Tracking...32 –

Session F - Wednesday, 3:10 PM - 4:00 PMCorn dry matter loss after maturity: Fact or fiction?5 –Dicamba: Past, present, and future16 –Status of bacterial leaf streak of corn in the United States22 –View from the sky: Mapping corn nitrogen status at the water...28 –Impacts of 4R nitrogen management on drainage water quality33 –Where are Iowa and U.S. land values headed?38 –

Session G - Wednesday, 4:10 PM - 5:00 PMCorn dry matter loss after maturity: Fact or fiction?5 –Dicamba: Past, present, and future16 –Status of bacterial leaf streak of corn in the United States22 –View from the sky: Mapping corn nitrogen status at the water...28 –Impacts of 4R nitrogen management on drainage water quality33 –Where are Iowa and U.S. land values headed?38 –

Session H - Thursday, 8:00 AM - 8:50 AMRootworm behavior and resistance in Bt cornfields18 –Where do we stand with soybean cyst nematode, resistance, an...21 –Nitrogen management for corn27 –The science of cover crops in Iowa35 –Financial stress in Iowa farms37 –Recent developments in China and impacts on U.S. agricultura...39 –

Session I - Thursday, 9:00 AM - 9:50 AMRootworm behavior and resistance in Bt cornfields18 –Where do we stand with soybean cyst nematode, resistance, an...21 –Nitrogen management for corn27 –The science of cover crops in Iowa35 –Financial stress in Iowa farms37 –Recent developments in China and impacts on U.S. agricultura...39 –

Session J - Thursday, 10:10 AM - 11:00 AMKey management practices that explain soybean yield gaps acr...2 –

6 – Crop quality management for the 2017 harvest10 – Current legal issues impacting crop production24 – Soybean disease update26 – Plant nutrition science for sustaining public trust31 – WORKSHOP HAS FILLED. PLEASE SELECT ANOTHER.

Session K - Thursday, 11:10 AM - 12:00 PMKey management practices that explain soybean yield gaps acr...2 –

6 – Crop quality management for the 2017 harvest10 – Current legal issues impacting crop production24 – Soybean disease update26 – Plant nutrition science for sustaining public trust31 – WORKSHOP HAS FILLED. PLEASE SELECT ANOTHER.

Session L - Thursday, 1:00 PM - 1:50 PM7 – Digital ag update: Drones and data

13 – The Iowa Pest Resistance Management Plan: A community based ... 15 – Dicamba injury: Crop and liability insurance perspectives25 – Disease risks associated with cover crops in corn and soybea...31 – WORKSHOP HAS FILLED. PLEASE SELECT ANOTHER.40 – Seed Treatment Continuing Instruction Course

Session M - Thursday, 2:00 PM - 2:50 PMWeather outlook 2018 and understanding inversions1 –Corn planting decisions: What's changed and what's the same?3 –Digital ag update: Drones and data7 –Dicamba injury: Crop and liability insurance perspectives15 –Prairie strips for soil, water, and wildlife benefits34 –Commercial Ag Weed, Insect, and Disease Management Continuin...41 –

Session N - Thursday, 3:00 PM - 3:50 PMWeather outlook 2018 and understanding inversions1 –Corn planting decisions: What's changed and what's the same?3 –The Iowa Pest Resistance Management Plan: A community based ...13 –Disease risks associated with cover crops in corn and soybea...25 –Prairie strips for soil, water, and wildlife benefits34 –