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Submissions from 2016

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Impact of a Corn-Living Mulch Cropping System on Soil C- and N-Dynamics, Chumki Banik, Cynthia Bartel, David A. Laird, Kenneth J. Moore, and Andrew W. Lenssen

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Living Mulch Establishment in Row Crop Systems for Sustainable Biofuels Production, Cynthia Bartel, Andrew W. Lenssen, Kenneth J. Moore, David Laird, and Sotirios V. Archontoulis

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Optimal Agricultural Practices for Growing Kenaf in Iowa, Marie Bourguignon, Kenneth J. Moore, Sotirios V. Archontoulis, Andrew W. Lenssen, Brian S. Baldwin, and Danielle Marie Wilson

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Kenaf Productivity and Morphology. When Grown in Iowa and in Kentucky. Poster Number, Marie Bourguignon, Kenneth J. Moore, Andrew W. Lenssen, Sotirios V. Archontoulis, Ben M. Goff, and Brian S. Baldwin

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Adapted and Non-Adapted Tropical Corn in Central Iowa: 2. Biomass Production and Composition, Pedro A. Infante Posada, Kenneth J. Moore, Sotirios V. Archontoulis, Andrew W. Lenssen, and M. Paul Scott

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Adapted and Non-Adapted Tropical Corn in Central Iowa: 1. Development, Growth and Quality Aspect, Pedro A. Infante Posada, Kenneth J. Moore, Sotirios V. Archontoulis, Andrew W. Lenssen, M. Paul Scott, and Shuizhang Fei

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Crop Rotation and Cultural Practice Impact on Nitrogen Balance, Upendra M. Sainju, Andrew W. Lenssen, Brett L. Allen, William B. Stevens, and Jalal D. Jabro

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Stacked Crop Rotation Reduces Soil Organic Carbon and Crop Yield Compared with Alternate-Year Rotation, Upendra M. Sainju, Andrew W. Lenssen, Brett L. Allen, William B. Stevens, and Jalal D. Jabro

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Impact of nitrogen application timing on corn production, John E. Sawyer, Daniel W. Barker, and John P. Lundvall

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Development of Transformational Strategies of Smallholders Based on Indigenous Knowledge, Mark E. Westgate, Lorna Michael Butler, Robert E. Mazur, and Andrew W. Lenssen

Submissions from 2015

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Variety Trial and Pyrolysis Potential on Kenaf Grown in Iowa, Marie Bourguignon, Ken J. Moore, Robert Brown, Roger Hintz, and Brian Baldwin

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Optimal Agricultural Practices for Growing Kenaf in Iowa, Marie Bourguignon, Kenneth J. Moore, Andrew W. Lenssen, and Sotirios Archontoulis

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Mapping Agricultural Decision Making across the U.S. Corn Belt, Tonya Haigh, Eugene Takle, Jeffrey Andresen, Melissa Widhalm, J. Stuart Carlton, and Jim Angel

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Using Soil and Topographic Characteristics for Corn Seeding Rate Optimization in Iowa, Mark A. Licht, Andrew W. Lenssen, and Roger W. Elmore

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Root and shoot biomass and nutrient composition in a winter rye cover crop, Swetabh Patel, John E. Sawyer, John P. Lundvall, and Jeena Hall

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Nitrogen Fertilizer Rate Effects on Soil Organic Carbon in Iowa Continuous Corn and Corn-Soybean Systems, Hanna J. Poffenbarger, Daniel W. Barker, Matthew J. Helmers, Fernando E. Miguez, John E. Sawyer, Johan Six, and Michael J. Castellano

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Amino Acids and Biosynthesis Byproducts As Nitrogen Sources for Corn Production, Juan Carlos Quezada Rivera, Andrew W. Lenssen, and Kenneth J. Moore

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Dryland Soil Chemical Properties and Crop Yields Affected By Long-Term Tillage and Cropping Sequence, Upendra M. Sainju, Brett L. Allen, TheCan Caesar-TonThat, and Andrew W. Lenssen

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Sheep Grazing Influence Soil Microbial and Particulate Organic Carbon in Dryland Cropping Systems, Upendra M. Sainju, Joy L. Barsotti, Andrew W. Lenssen, Zach J. Miller, and Patrick G. Hatfield

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Dryland Malt Barley Yield and Quality in Response to Tillage, Cropping Sequence, and Nitrogen Fertilization, Upendra M. Sainju, Andrew W. Lenssen, and Joy L. Barsotti

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A Comparison of Iowa's Original Corn Suitability Rating to the New Corn Suitability Rating 2, Aaron M. Sassman, C. Lee Burras, and Gerald A. Miller

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Termination Timing and Biomass Removal: Impacts on Soybean Systems, Timothy Sklenar, Andrew W. Lenssen, Mary H. Wiedenhoeft, and Thomas C. Kaspar

Submissions from 2014

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Active Sensor Strategies for In-season Application of Urea in Corn, Daniel W. Barker and John E. Sawyer

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Evaluation of Optical Canopy Sensors for In-Season N Rate Management in Corn, Daniel W. Barker and John E. Sawyer

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Optimizing Nitrogen Fertilizer Application in Corn Using Green Technology, Daniel W. Barker and John E. Sawyer

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Yield, Morphology, Composition, and Quantity and Quality of Pyrolysis Products from Kenaf Grown in Iowa, Marie Bourguignon, Kenneth J. Moore, and Robert C. Brown

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Evaluation of Adapt-N in the Corn Belt, C. A. M. Laboski, J. J. Camberato, and J. E. Sawyer

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Dryland Soil Carbon and Nitrogen after Thirty Years of Tillage and Cropping Sequence, Upendra M. Sainju, Brett L. Allen, TheCan Caesar-TonThat, and Andrew W. Lenssen

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Corn nitrogen rate response and crop yield in a rye cover crop system, John E. Sawyer, Jose L. Pantoja, and Daniel W. Barker

Submissions from 2013

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Comparing Stacked and Alternate-Year Cropping Systems In a Semiarid Environment, Andrew W. Lenssen, Upendra M. Sainju, Brett L. Allen, TheCan Caesar-TonThat, and Robert G. Evans

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Comparison of the MRTN and Adapt-N derived N rates for corn, J. E. Sawyer

Submissions from 2012

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Post Applied Urea+Agrotain to V10 Corn Field Scale Strip Demonstrations, Daniel W. Barker and John E. Sawyer

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Winter Rye Cover Crop Biomass Production, Degradation, And N Recycling, J. L. Pantoja, J. E. Sawyer, and D. W. Barker

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Simulating Dryland Water Availability and Spring Wheat Production under Various Management Practices in the Northern Great Plains, Zhiming Qi, Patricia N. S. Bartling, Jalai D. Jabro, Andrew W. Lenssen, William M. Iversen, Lajpat R. Ahuja, Liwang Ma, Brett L. Allen, and Robert G. Evans

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Quantifying Corn N Deficiency with Active Canopy Sensors, John E. Sawyer and Daniel W. Barker

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Sulfur fertilization response in Iowa corn and soybean production, John E. Sawyer, Brian Lang, and Daniel W. Barker

Submissions from 2011

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Do Active Canopy Sensors Measure Biomass or Chlorophyll in Corn?, Matthew Meade, Daniel W. Barker, and John E. Sawyer

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Corn Residue Harvesting Effects on Yield Response to N Fertilization, Jose L. Pantoja, John E. Sawyer, Daniel W. Barker, and Mahdi Al-Kaisi

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Comparing the FieldScout GreenIndex+ Chlorophyll Sensing App to the Minolta SPAD Meter, Jessica D. Pille, John E. Sawyer, and Daniel W. Barker

Submissions from 2010

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Quantifying Corn N Deficiency and Application Rate with Active Canopy Sensors, Daniel W. Barker and John E. Sawyer

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How Does Dew Affect L–band Backscatter? Analysis of PALS Data at the Iowa Validation Site and Implications for SMAP, Brian K. Hornbuckle, Tracy L. Rowlandson, Eric S. Russell, Amy L. Kaleita, Sally D. Logsdon, Anton Kruger, Simon Yueh, and Roger De Roo

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Nitrogen Fertilization Requirement and Corn-Soybean Productivity in a Rye Cover Cropping System, J. L. Pantoja, J. E. Sawyer, and D. W. Barker

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Quantifying Corn Nitrogen Deficiency and Application Rate with Active Canopy Sensors, J. E. Sawyer and D. W. Barker

Submissions from 2009

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Dealing with Sulfur Deficiencies in Crop Production: the Iowa Experience, J. E. Sawyer, B. Lang, D. W. Barker, and G. Cummins

Submissions from 2008

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Effect of Treatment and Cultivar on the Ensiling of Corn Stover, R. E. Muck, J. G. Coors, T. L. Richard, and M. P. Scott

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Nitrogen Application Timing, Forms, and Additives, Gyles W. Randall and John E. Sawyer

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Dealing with Sulfur Deficiencies in Crop Production: the Northeast Iowa Experience, John E. Sawyer, Brian Lang, and Daniel Barker

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Nitrogen Rates, John E. Sawyer and Gyles W. Randall

Submissions from 2007

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In-season nitrogen management for corn production, John E. Sawyer, John P. Lundvall, and Jennifer A. Hawkins

Submissions from 2006

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Evaluation of the Illinois Soil Nitrogen Test in the North Central Region, C. A. M. Laboski, J. E. Sawyer, D. T. Walters, L. G. Bundy, R. G. Hoeft, G. W. Randall, and T. W. Andraski

Submissions from 2005

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Assessment of nitrogen supply from poultry manure applied to corn, D. A. Ruiz Diaz and J. E. Sawyer

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Regional Approach to Making Nitrogen Fertilizer Rate Decisions for Corn, John E. Sawyer and Emerson D. Nafziger

Submissions from 2004

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Formulating N Recommendations for Corn in the Corn Belt Using Recent Data, Emerson D. Nafziger, John E. Sawyer, and Robert G. Hoeft

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Using chlorophyll meter readings to determine N application rates for corn, J. E. Sawyer, D. W. Barker, and J. P. Lundvall

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Quantitative Trait Locus Mapping of Winter Hardiness Metabolites in Autotetraploid Alfalfa (M. sativa), B. Alarcón Zúñiga, P. Scott, K. J. Moore, D. Luth, and E. C. Brummer

Submissions from 2003

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Developing and Using the Iowa P-Index, John E. Sawyer

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Iowa Experience with the Illinois N Test, John E. Sawyer, Daniel W. Barker, and Mahdi Al-Kaisi

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Evaluation of the Amino Sugar-N Based Soil test in Iowa Corn Production, John E. Sawyer, Daniel W. Barker, John P. Lundvall, and Mahdi Al-Kaisi

Submissions from 2002

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Field corn tests to examine anhydrous ammonia manifold variability, P. M. Boyd, H. M. Hanna, J. L. Baker, T. S. Colvin, and J. E. Sawyer

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Corn and soybean response to sulfur application on Iowa soils, J. E. Sawyer and D. W. Barker

Submissions from 2001

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In-season nitrogen fertilization of soybean, J. E. Sawyer and D. W. Barker

Submissions from 1999

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Differentiating and Understanding the Mehlich 3, Bray, and Olsen Soil Phosphorus Tests, John E. Sawyer and Antonio P. Mallarino