2021 Research and Demonstration Farms Progress Reports

Northern Research and Demonstration Farm


On-Farm Demonstration Trial: Crop Production Studies Soybean Date of Planting Trials

Mike Witt, Andrew Weaver, Brandon Zwiefel, Ken T. Pecinovsky, Zachary Koopman, Craig Riesberg, Ryan Farmer, Gary Thompson and Chad Hesseltine

2022-05-31 2021 Research and Demonstration Farms Progress Reports • 23–24

On-Farm Demonstration Trial: Fertility and Soil Studies Sulfur on Corn Trials

Mike Witt, Lyle T. Rossiter and Brandon Zwiefel

2022-05-31 2021 Research and Demonstration Farms Progress Reports • 25–26

On-Farm Demonstration Trial: Fertility and Soil Studies Sulfur on Corn Trials

Mike Witt, Lyle T. Rossiter and Brandon Zwiefel

2022-05-31 2021 Research and Demonstration Farms Progress Reports • 25–26

Northwest and Allee Research and Demonstration Farms


Northwest Farm and Weather Summary

Terry Tuttle

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 5–7

Allee Demonstration Farm and Weather Summary

Lyle T. Rossiter

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 9–10

Effectiveness of Foliar Fungicides by Timing on Foliar Diseases on Hybrid Corn

Alison E. Robertson and Terry Tuttle

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 11

Midwest USA Suction Trap Network

Doris Lagos-Kutz, Nicholas Seiter, Erin W. Hodgson and Glen Hartman

2022-01-31 2021 Research and Demonstration Farms Progress Reports

Response of Soybeans to Planting Date and Relative Maturity in Northwest Iowa

Scott Nelson

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 17–18

Corn Hybrid, Seeding Rate, and Row Spacing Trial

Terry Tuttle and Mark A. Licht

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 19–20

Interseeding of Grass and Legume Cover Crops Into Early Vegetative Stage Corn

Mark A. Licht, Fernando Marcos, Mike Witt and Angie Rieck-Hinz

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 21–22

Long-Term Tillage and Crop Rotation Trial

Mike Witt and Terry Tuttle

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 23

Soybean Variety, Seeding Rate, and Row Spacing Trial

Terry Tuttle and Mark A. Licht

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 25–26

Soybean Yield under N and S Fertilization

Mark A. Licht and Fernando Marcos

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 27–28

On-Farm Demonstration Trial: Cover Crop Studies Interseeding Cover Crops Trials

Mike Witt, Andrew Weaver and Ryan Farmer

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 29–30

On-Farm Demonstration Trial: Cover Crop Studies Termination Timing Trials

Mike Witt and Lyle T. Rossiter

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 31–32

On-Farm Demonstration Trial: Cover Crop Studies Planting Into Cover Crop Trials

Mike Witt and Andrew Weaver

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 33–34

On-Farm Demonstration Trial: Crop Production Studies Planting Date—Corn

Mike Witt and Andrew Weaver

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 35–36

On-Farm Demonstration Trial: Crop Production Studies Soybean Date of Planting Trials

Mike Witt, Andrew Weaver, Brandon Zwiefel, Ken T. Pecinovsky, Zachary Koopman, Craig Riesberg, Ryan Farmer, Gary Thompson and Chad Hesseltine

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 37–38

On-Farm Demonstration Trial: Crop Protection Studies Veltyma® Fungicide Application on Corn

Mike Witt and Andrew Weaver

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 39–40

On-Farm Demonstration Trial: Crop Protection Studies Headline Amp® Fungicide Application on Corn

Mike Witt and Andrew Weaver

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 41–42

On-Farm Demonstration Trial: Crop Protection Studies Fungicide Timing Application on Corn

Mike Witt and Andrew Weaver

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 43–44

On-Farm Demonstration Trial: Crop Protection Studies Approach® Fungicide Application on Corn

Mike Witt and Andrew Weaver

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 45–46

On-Farm Demonstration Trial: Crop Protection Studies Corn Rootworm Trait Trial

Mike Witt and Andrew Weaver

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 47–48

On-Farm Demonstration Trial: Crop Protection Studies Soybean Gall Midge Management Trial

Mike Witt and Andrew Weaver

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 49–50

On-Farm Demonstration Trial: Crop Protection Studies Multiple Herbicide Weed Management Trial

Mike Witt and Andrew Weaver

2022-05-31 2021 Research and Demonstration Farms Progress Reports • 51–52

On-Farm Demonstration Trial: Fertility and Soil Studies Zero Nitrogen Trials

Mike Witt and Lyle T. Rossiter

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 53–54

On-Farm Demonstration Trial: Fertility and Soil Studies Sulfur on Corn Trials

Mike Witt, Lyle T. Rossiter and Brandon Zwiefel

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 55–56

On-Farm Demonstration Trial: Growth Promoter Studies Foliar Feeding Application on Corn and Soybean

Mike Witt and Andrew Weaver

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 57–58

On-Farm Demonstration Trial: Growth Promoter Studies Soybean Plant Health Trials

Mike Witt and Andrew Weaver

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 59–60

Impact of 4R Management on Crop Production on Tile Drainage Plots

Matthew J. Helmers and Carl Pederson

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 61–62

Denitrification Bioreactor in Northwest Iowa

Matthew J. Helmers and Carl Pederson

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 63–64

Long-Term Assessment of Miscanthus Productivity and Sustainability (LAMPS)

Nicholas N. Boersma

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 65–68

Southeast Research and Demonstration Farm


Farm and Weather Summary

Cody Schneider

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 5–6

Effectiveness of Fungicides Applied In-Furrow, at V12 or R1, and Nitrogen on Foliar Diseases and Yield of Hybrid Corn

Alison E. Robertson and Cody Schneider

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 7

USDA-ARS Corn Breeding Program Update

Jode Edwards, John Golden, Adam Vanous and Nuo Shen

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 9

Evaluation of Organic Corn Varieties

Kathleen Delate, Henry Franzen, Myron C. Rees and Cody Schneider

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 11–13

Sorghum Breeding Program for Biofuel Production

Maria G. Salas Fernandez and Joshua Kemp

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 15–16

Long-Term Tillage and Crop Rotation Trial

Mark A. Licht and Cody Schneider

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 17

On-Farm Demonstration Trial: Crop Production Studies Corn Seeding Population Trials

Mike Witt, Chad Hesseltine and Craig Riesberg

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 19–20

On-Farm Demonstration Trial: Crop Production Studies Soybean Date of Planting Trials

Mike Witt, Andrew Weaver, Brandon Zwiefel, Ken T. Pecinovsky, Zachary Koopman, Craig Riesberg, Ryan Farmer, Gary Thompson and Chad Hesseltine

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 21–22

On-Farm Demonstration Trial: Crop Protection Studies ILEVO® Seed Treatment Trials on Soybean

Mike Witt, Brandon Zwiefel and Chad Hesseltine

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 23–24

On-Farm Demonstration Trial: Crop Protection Studies Miravis Neo® Fungicide Application on Soybean

Mike Witt, Brandon Zwiefel and Chad Hesseltine

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 25–26

Long-Term Assessment of Miscanthus Productivity and Sustainability (LAMPS)

Nicholas N. Boersma

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 27–29

Western Research and Demonstration Farm


Farm and Weather Summary

Chris Beedle

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 5-6

4-H Poultry Project

Melissa Beermann and Chris Beedle

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 7

4-H Swine Project

Melissa Beermann and Chris Beedle

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 9

Hazelnut Products as a Feedstuff for Pigs

Pete Lammers, Krista Wellnitz, Ryan Pralle and Chris Beedle

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 11-12

Overnight Lairage May Impact Pork Quality

Peter Lammers and Chris Beedle

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 13-14

On-Farm Demonstration Trial: Crop Production Studies Corn Seeding Population Trials

Mike Witt, Chad Hesseltine and Craig Riesberg

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 15-16

On-Farm Demonstration Trial: Crop Production Studies Soybean Date of Planting Trials

Mike Witt, Andrew Weaver, Brandon Zwiefel, Ken T. Pecinovsky, Zack A, Koopman, Craig Riesberg, Ryan Farmer, Gary Thompson and Chad Hesseltine

2022-01-31 2021 Research and Demonstration Farms Progress Reports • 17-19