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Farm Progress Reports

2000 Farm Progress Reports

Armstrong Research and Demonstration Farms

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Wallace Foundation for Rural Research and Development
Armstrong and Neely-Kinyon Research and Demonstration Farms

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Sulfur Fertilizer Application to Corn and Soybean
John E. Sawyer and Daniel W. Barker

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Soil Moisture Survey
Carroll Olsen, Clarke McGrath, Michael L. White, and Kris Kohl

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Crop Season
Bernard J. Havlovic

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Soil Fertility Paradigms Evaluated through Collaboration On-farm and On-station
Derrick N. Exner, Kathleen Delate, and Douglas Karlen

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Lime Rates and Sources
Carroll Olsen and Bernard J. Havlovic

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In-Season Nitrogen Fertilization of Soybean
John E. Sawyer and Daniel W. Barker

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Plant Population Effect on Open-Pollinated Corn
Kathleen Delate, Kendall Lamkey, and Robert Burcham

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Planting Date and Hybrid Maturity Effects on Corn Yield in Iowa
Dale E. Farnham, Jason Myli, and Bernard J. Havlovic

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Planting Date Effects on Yield and Grain Composition of High Oil Corn
Joseph McClure, Dale E. Farnham, and Bernard J. Havlovic

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Liming, Nitrogen and Manure Rates for Continuous Corn
Russell Doorenbos and Stanley Henning

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Impact of Planting Date and Seed Treatment on Soybean Yield
John Lundvall, Keith Whigham, Mark E. Westgate, and Dale E. Farnham

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Emergence Characteristics of Several Annual Weeds
Robert G. Hartzler, Douglas D. Buhler, Lowell Sandell, Bernard J. Havlovic, and Carroll Olsen

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Woolly Cupgrass Management in No-tillage Corn
Michael D. Owen, James F. Lux, and Damian D. Franzenburg

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Woolly Cupgrass Management in Corn
Michael D. Owen, James F. Lux, and Damian D. Franzenburg

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Comparison of Organic and Conventional Crops at the Neely-Kinyon Long-term Agroecological Research (LTAR) Site-2000
Kathleen Delate, Cynthia A. Cambardella, Robert Burcham, and Heather Friedrich

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Evaluating New Forages
Mary H. Wiedenhoeft and Stephen K. Barnhart

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Winter Wheat Variety Test
Ronald Skrdla and Jean-Luc Jannink

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Oat Variety Test
Ronald Skrdla and Jean-Luc Jannink

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Specialty Soybean Test - South
Kevin O. Scholbrock

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Yield of Roundup Ready vs. Conventional Soybean Varieties
John Lundvall, Keith Whigham, Mark E. Westgate, and Dale E. Farnham

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Intensive Rotational Grazing of Steers on Highly Erodible Land at the Adams County CRP Project, 2000
Russell Bredahl, Chris Nelson, Rick Sprague, Brian Peterson, and John Klein

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Rotational Grazing Demonstrations with Beef Cows on CRP Land in Adams County
Chris Nelson, Rick Sprague, Russell Bredahl, and Brian Peterson

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Cows in the Corn Grazing Project
Lee H. Kilmer, Russell Bredahl, and Dallas L. Maxwell

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Effects of Corn Crop Residue Grazing on Soil Physical Properties and Subsequent Soybean Production in a Corn-Soybean Crop Rotation (A Progress Report)
Justin Clark, James R. Russell, Douglas Karlen, Darrell Busby, L. James Secor, Brian Peterson, Larry Pellack, Carroll Olsen, and Shawn C. Shouse

McNay Research and Demonstration Farms

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Row Width Effects on Corn Yield at Varying Plant Densities
Dale E. Farnham, Jason Myli, Joseph McClure, and L. James Secor

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Alfalfa Variety Testing
E. Charles Brummer and Mark Smith

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Effects of Corn Crop Residue Grazing on Soil Physical Properties and Subsequent Soybean Production in a Corn-Soybean Crop Rotation (A Progress Report)
Justin Clark, James R. Russell, Douglas Karlen, Darrell Busby, L. James Secor, Brian Peterson, Larry Pellack, Carroll Olsen, and Shawn C. Shouse

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Tiling Research Project
Mark W. Carlton

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Row Width and Population Effects on Roundup Ready Soybean Yield
John Lundvall, Keith Whigham, and Dale E. Farnham

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Beef Cattle Breeding Project Progress Report: Growth-Trait EPDs for 1998- and 1999-Born Calves
Abebe T. Hassen, Doyle E. Wilson, Gene H. Rouse, and Richard G. Tait Jr.

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Beef Cattle Breeding Project Progress Report: Body Composition EPDs Determined from Ultrasound Measures
Doyle E. Wilson, Abebe T. Hassen, Gene H. Rouse, and Richard G. Tait Jr.

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Sequential Grazing Systems for Beef Cattle Production
Kenneth J. Moore, James R. Russell, M. H. Wiedenhoeft, E. Charles Brummer, Roger L. Hintz, L. James Secor, and Dennis R. Maxwell

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Evaluation of Year-round Forage Management Systems for Spring- and Fall-Calving Beef Cows
N. A. Janovick, James R. Russell, D. Maxwell, and L. James Secor

Northeast Research and Demonstration Farms

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2000 Crop Season
Kenneth T. Pecinovsky

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Field Days and Farm Tours
Kenneth T. Pecinovsky

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Northeast Iowa Agricultural Experimental Association 2000-2001
Northeast Research and Demonstration Farm

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Northeast Iowa Agricultural Experimental Association 2000-2001
Northeast Research and Demonstration Farm

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Late-Season Management of Bean Leaf Beetles in Soybeans
Marlin E. Rice and Kenneth T. Pecinovsky

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Planting Date and Hybrid Maturity Effects on Corn Yield in Iowa
Dale E. Farnham, Jason Myli, and Kenneth T. Pecinovsky

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Impacts of Nitrogen Management Systems on Water Quality
Rameshwar S. Kanwar and Carl H. Pederson

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In-Season Nitrogen Fertilization of Soybean
John E. Sawyer and Daniel W. Barker

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Emergence Characteristics of Several Annual Weeds
Robert G. Hartzler, Douglas D. Buhler, and Lowell Sandell

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Weed Management in Soybean Production
Michael D. Owen, James F. Lux, and Damian D. Franzenburg

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Weed Management Strategies in Corn
Michael D. Owen, James F. Lux, and Damian D. Franzenburg

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Oat Variety Test
Ronald Skrdla and Jean-Luc Jannink

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Corn Planting Dates
Garren O. Benson and Kenneth T. Pecinovsky

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Roundup Ready vs. Conventional Soybean Variety Yield Test
John Lundvall, Keith Whigham, Mark E. Westgate, and Dale E. Farnham

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Determining the Mechanism of Yield Stability in Alfalfa
Sara Jane Helland, Heathcliffe Riday, and E. Charles Brummer

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Selecting Non-dormant Alfalfa for Winter Hardiness
E. Charles Brummer and Mindy Weishaar

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Alfalfa Yields from Mixtures of Dormant and Non-dormant Varieties
E. Charles Brummer, Kenneth J. Moore, Mark Smith, and N. Charles Bjork

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Hybrid Alfalfa
Heathcliffe Riday and E. Charles Brummer

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Alfalfa Variety Testing
E. Charles Brummer and Mark Smith

Northern Research and Demonstration Farms

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Soybean Weed Management Studies
Brent A. Pringnitz and Robert G. Hartzler

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Corn Weed Management Studies
Brent A. Pringnitz and Robert G. Hartzler

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Corn Response to Zinc Fertilizer in Iowa
Anna Dierickx Bickel and Randy Killorn

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Specialty Soybean Test - North
Kevin O. Scholbrock

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North Central Iowa Research Association 2000
Northern Research and Demonstration Farm

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Row Width and Hybrid Effects on Corn Yield in Iowa
Dale E. Farnham, Jason Myli, and David Rueber

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Row Width and Plant Density Effects on Corn Yield in Iowa
Dale E. Farnham, Jason Myli, and David Rueber

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Evaluation of Soybean Varieties Resistant to Soybean Cyst Nematode in Northern Iowa, 2000
Gregory L. Tylka, Gregory D. Gebhart, and Christopher C. Marett

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In-Season Nitrogen Fertilization of Soybean
John E. Sawyer and Daniel W. Barker

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Sulfur Fertilizer Application to Corn and Soybean
John E. Sawyer and Daniel W. Barker

Northwest and Allee Research and Demonstration Farms

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Northwest Iowa Experimental Association 2000-2001
Northwest Research Farm and Allee Demonstration Farm

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Oat Variety Test
Ronald Skrdla and Jean-Luc Jannink

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Soil Moisture
Joel L. DeJong and Paul C. Kassel

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Weed Management in Soybean
Michael D. Owen, James F. Lux, and Damian D. Franzenburg

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Weed Management in Corn
Michael D. Owen, James F. Lux, and Damian D. Franzenburg

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Combine Losses from Narrow and Wide Row Corn Harvest
H. Mark Hanna, Kris Kohl, and David Haden

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Yield Performance of Roundup Ready versus Conventional Soybean Varieties
John Lundvall, Keith Whigham, and Dale E. Farnham

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Row Width and Plant Density Effects on Corn Yield in Iowa
Dale E. Farnham, Jason Myli, and David Haden

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Sulfur Fertilizer Application to Corn and Soybean
John E. Sawyer and Daniel W. Barker

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In-Season Nitrogen Fertilization of Soybean
John E. Sawyer and Daniel W. Barker

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Corn Response to Urea-N and Pelletal Limestone in 1999
Stanley Henning and Russell Doorenbos

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Allee Demonstration Garden
Colleen Rossiter, Kathleen Delate, and Dennis Shannon

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Evaluation of Soybean Varieties for Certified Organic Production--Allee Trial, 2000
Kathleen Delate, Heather Friedrich, and Lyle T. Rossiter

Southeast Research and Demonstration Farms

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2000 Crop Season
Kevin Van Dee

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Southeast Iowa Agricultural Research Association 2000
Southeast Research and Demonstration Farm

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Sulfur Fertilizer Application to Corn and Soybean
John E. Sawyer and Daniel W. Barker

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Conservation Tillage Study
Gregory L. Brenneman, James A. Fawcett, James Jensen, and Kevin Van Dee

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Roundup Ready vs. Conventional Soybean Yield Comparison
John Lundvall, Keith Whigham, Mark E. Westgate, and Dale E. Farnham

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Evaluation of Soybean Varieties Resistant to Soybean Cyst Nematode in Southeast Iowa, 2000
Gregory L. Tylka, Gregory D. Gebhart, and Christopher C. Marett

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Winter Wheat Variety Test
Ronald Skrdla and Jean-Luc Jannink

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Oat Variety Test
Ronald Skrdla and Jean-Luc Jannink

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Rotational Corn and Soybean Responses to P and K
Stanley Henning and Russell Doorenbos

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Fungicidal Control of Leaf Diseases in High-Oil Hybrid Corn, 2000
Gary P. Munkvold, Charlie Martinson, and John M. Shriver

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Weed Management Strategies in Soybean Production
Michael D. Owen, James F. Lux, and Damian D. Franzenburg

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Weed Management in No-tillage Corn Production
Michael D. Owen, James F. Lux, and Damian D. Franzenburg

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Emergence Characteristics of Several Annual Weeds
Robert G. Hartzler, Douglas D. Buhler, Lowell Sandell, and Kevin Van Dee

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Strawberry Variety Trial
Patrick O'Malley and Kevin Van Dee

Western Research and Demonstration Farms

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Sulfur Fertilizer Application to Corn and Soybean
John E. Sawyer and Daniel W. Barker

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Western Iowa Experimental Farm Association
Western Research and Demonstration Farm

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Pasture Improvements with Mixed Composition of Warm-Season Grasses and Legumes
I. S. Braden, Kenneth J. Moore, Roger L. Hintz, M. H. Wiedenhoeft, E. Charles Brummer, and M. Peter Hoffman

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Alfalfa Variety Testing
E. Charles Brummer and Mark Smith

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Determining the Mechanism of Yield Stability in Alfalfa
Sara Jane Helland, Heathcliffe Riday, and E. Charles Brummer

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Evaluation of Herbicides in Corn and Soybean
Robert G. Hartzler and Bruce Battles

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Western Iowa 1992 Apple Cultivar x Rootstock Trial
Paul A. Domoto and Barbara C. Smith

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Response of Sweet Corn to Irrigation Management
Henry G. Taber and Barbara C. Smith