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Submissions from 1994

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Bird use of restored wetlands on Conservation Reserve Program land, James J. Dinsmore

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Environmental effects of two contrasting farming systems in the Clarion-Nicollet-Webster soil association area, Thomas E. Fenton

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Improved disease resistance in dairy cattle: Correlation of health disorders with measures of immune status; and Genetic improvement for disease resistance by identifying sires whose daughters have fewer disease problems, Albert E. Freeman and Marcus E. Kehrli Jr.

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Renovation of established switchgrass with forage legumes, J. Ronald George and Dwayne R. Buxton

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Adapting predictive models to reduce fungicide sprays on tomatoes in Iowa, Mark L. Gleason, S. Elwynn Taylor, and Henry G. Taber

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Fall-planted spring oats: A low-risk cover crop to reduce erosion following soybean, Robert Horton Jr., Thomas C. Kaspar, and Keith A. Kohler

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Sustainable agriculture: Vision for the future, Connie Hvitved

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Des Moines and Henry County field trials of corn rootworm beetle traps, James H. Jensen

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Evaluation of tillage and crop rotation effects on groundwater quality—Nashua project, Rameshwar S. Kanwar, Douglas Karlen, Thomas S. Colvin, William W. Simpkins, and Vince J. McFadden

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A biorational approach to soybean cyst nematode management in Iowa, George A. Kraus and Gregory L. Tylka

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Buffer strips for controlling herbicide losses, Steven K. Mickelson and James L. Baker

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The Model Farms Demonstration Project, Gerald A. Miller

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Economic analysis of chemical vs. biological suppression of the European corn borer in Iowa corn production, David B. Orr, Marlin E. Rice, John J. Obrycki, and Leslie Lewis

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Sustainable agriculture and wildlife: a multi-organizational field day, James L. Pease

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Prediction and field validation of sediment impacts on riffle insect communities, Kurt W. Pontasch

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Sustainable tree-shrub-grass buffer strips along waterways, Richard C. Schultz, Joseph P. Colletti, Carl W. Mize, Steven E. Jungst, Paul H. Wray, Lita Rule, Richard B. Hall, William W. Simpkins, Michael L. Thompson, Irvin C. Anderson, and Dwayne R. Buxton

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A comparison of agricultural systems at the Allee Research Center, Dennis Shannon, Mark S. Honeyman, Roger McMillin, Robert W. Jolly, Edward Osei, Michael D. Duffy, and Dean Grundman

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Species and variety of conifers for Christmas tree production in Iowa, Paul H. Wray, Jeffery K. Iles, Richard C. Schultz, Richard B. Hall, Carl Mize, Harold S. McNabb Jr., and Elwood Hart

Submissions from 1993

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Efficient herbicide application to reduce environmental losses, James L. Baker and Steven K. Mickelson

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Bird use of roadsides in an agricultural ecosystem, Louis Best and Martha Camp

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Operating procedures for use of the late-spring soil test by fertilizer dealers and consultants in Iowa, Alfred M. Blackmer

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Corn tissue tests for excess phosphorus and potassium, Alfred M. Blackmer and Antonio P. Mallarino

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Changes in soil structural characteristics following establishment of prairie grass, Paul Christiansen and Michael L. Thompson

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Pesticides and their major degradation products as potential contaminants of groundwater, Joel R. Coats, L. Somasundaram, and Ramesh S. Kanwar

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A sustainable agriculture course delivered nationally via AG*SAT, Harold R. Crawford, Ricardo J. Salvador, Allan G. Schmidt, and B. E. Miller

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Establishment of an experimental wetland research complex, William G. Crumpton and Arnold van der Valk

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Sustainable weed control system using natural product allelochemicals to replace conventional herbicides in maize, Jack Dekker

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Reducing pesticide use through environmental monitoring for pest protection, Mark L. Gleason, Paul A. Domoto, Donald R. Lewis, and Michael D. Duffy

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Crops of ancient Iowa: Native plant use and farming systems, William Green and David Asch

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Utilizing potential weed pressures to improve efficiency of weed management programs, Robert G. Hartzler and Thomas B. Smidt

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Incorporating environmental costs into economic injury levels, Leon G. Higley and Wendy Wintersteen

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Weed population dynamics in ridge-tilled soybeans with and without herbicides, Thomas W. Jurik

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Implementing nitrogen management to protect Iowa's groundwater, Kris Kohl, Stewart Melvin, and James Hultgren

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Storm Lake watershed demonstration project: planning phase, Richard Lampe, Jon Hutchins, and Keith Arends

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Poplar tree buffer strips grown in riparian corridors for non-point source pollution control and biomass production, Louis A. Licht and Jerald L. Schnoor

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Optimizing microbial associations to enhance N and P soil nutrient availability, Thomas E. Loynachan, Harold S. McNabb Jr., and Samina Khalil

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Seed coating with environmentally acceptable polymers as an alternative to fungicide treatment of corn and soybeans, Denis C. McGee, Joseph S. Burris, John Lach, Paramjeet S. Grover, and Roman Bilous

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Biological control of the strawberry leaf roller, Ancylis comptana, in Iowa, John J. Obrycki and Aaron D. Gabriel

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Utilizing an entomopathogenic fungus, Beauveria bassiana, for season-long suppression of larval populations of the European corn borer, John J. Obrycki, Leslie C. Lewis, and Edwin C. Berry

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Multispecies toxicity tests using indigenous organisms: predicting pesticide effects in streams, Kurt W. Pontasch

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A developmental approach to the adoption of low-input farming practices, Rebecca S. Roberts and David Lighthall

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Effectiveness of vegetative filter strips, John Schultz and Richard M. Cruse

Submissions from 1992

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Selection of herbaceous energy crops for sustainable agriculture, Irvin C. Anderson, Dwayne R. Buxton, and Arne J. Hallam

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Nitrate and herbicide leaching as affected by conservation tillage, James L. Baker and Patricia L. Boddy

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Demonstration of the unique slow-release characteristic of anhydrous ammonia fertilizer, Alfred M. Blackmer

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DeSoto National Wildlife Refuge demonstration and education project, Marco C. Buske, Gary Guge, Terry Root, and George Gage

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Nitrogen management alternatives for ridge tillage corn, Richard M. Cruse

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Strip intercropping systems, Richard M. Cruse, Donald C. Erbach, Stephen K. Barnhart, Micheal D. Owen, and Walter F. Wedin

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Effect of split N-fertilizer applications on drainage water quality and NO3-N leaching, Ramesh S. Kanwar and James L. Baker

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Nitrogen efficiency with no-till and conventional tillage cropping systems for energy conservation and water quality benefits, Rameshwar S. Kanwar and James L. Baker

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Optimal efficiency in the use of Iowa's energy, soil, and feed resources for beef production, James R. Russell, Allen H. Trenkle, Daryl R. Strohbehn, Walter F. Wedin, Stephen K. Barnhart, Arne Hallam, and Mark S. Honeyman

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Irrigation and disease management of vegetables, Henry G. Taber, Mark L. Gleason, and Stewart W. Melvin

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Evaluation for an integrated pest management program for northern corn rootworm extended diapause, Jon J. Tollefson

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Monitoring and modeling cropping system nitrogen for a sustainable agriculture, Delmar Vander Zee, Ronald J. Vos, and Christian L. Goedhart