Canopy Chamber Measurements of Carbon Dioxide Fluxes in Corn and Soybean Fields by Zhuangji Wang, Chenyi Luo, Thomas J. Sauer, Matthew J. Helmers, Liukang Xu, Robert Horton

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Field Studies on the Effect of Rye Cover Crop on Soybean Root Disease and Productivity by Grazieli Araldi-Da-Silva, Yuba R. Kandel, Gang Han, Daren S. Mueller, Matthew J. Helmers, Thomas C. Kaspar, Leonor F. S. Leandro

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Maximum soil organic carbon storage in Midwest U.S. cropping systems when crops are optimally nitrogen-fertilized. by Hanna J Poffenbarger, Daniel W Barker, Matthew J Helmers, Fernando E Miguez, Daniel C Olk, John E Sawyer, Johan Six, Michael J Castellano

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Increased Duration of Drying–Rewetting Cycles Increases Nitrate Removal in Woodchip Bioreactors by Bryan M. Maxwell, François Birgand, Louis A. Schipper, Laura E. Christianson, Shiying Tian, Matthew J. Helmers, David J. Williams, George M. Chescheir, Mohamed A. Youssef

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The optimum nitrogen fertilizer rate for maize in the US Midwest is increasing by Mitchell E. Baum, John E. Sawyer, Emerson D. Nafziger, Michael J. Castellano, Marshall D. McDaniel, Mark A. Licht, Dermot J. Hayes, Matthew J. Helmers, Sotirios V. Archontoulis

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Harvested winter rye energy cover crop: multiple benefits for North Central US by Robert W Malone, Anna Radke, Steph Herbstritt, Huaiqing Wu, Zhiming Qi, Bryan D Emmett, Matthew J Helmers, Lisa A Schulte, Gary W Feyereisen, Peter L O’Brien, John L Kovar, Natalia Rogovska, Eileen J Kladivko, Kelly R Thorp, Tom C Kaspar, Dan B Jaynes, Douglas L Karlen, Tom L Richard

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U.S. cereal rye winter cover crop growth database by Alexandra M. Huddell, Resham Thapa, Guillermo S. Marcillo, Lori J. Abendroth, Victoria J. Ackroyd, Shalamar D. Armstrong, Gautam Asmita, Muthukumar V. Bagavathiannan, Kipling S. Balkcom, Andrea Basche, Shawn Beam, Kevin Bradley, Lucas Pecci Canisares, Heather Darby, Adam S. Davis, Pratap Devkota, Warren A. Dick, Jeffery A. Evans, Wesley J. Everman, Tauana Ferreira de Almeida, Michael L. Flessner, Lisa M. Fultz, Stefan Gailans, Masoud Hashemi, Joseph Haymaker, Matthew J. Helmers, Nicholas Jordan, Thomas C. Kaspar, Quirine M. Ketterings, Eileen Kladivko, Alexandra Kravchenko, Eugene P. Law, Lauren Lazaro, Ramon G. Leon, Jeffrey Liebert, John Lindquist, Kristen Loria, Jodie M. McVane, Jarrod O. Miller, Michael J. Mulvaney, Nsalambi V. Nkongolo, Jason K. Norsworthy, Binaya Parajuli, Christopher Pelzer, Cara Peterson, Hanna Poffenbarger, Pratima Poudel, Mark S. Reiter, Matt Ruark, Matthew R. Ryan, Spencer Samuelson, John E. Sawyer, Sarah Seehaver, Lovreet S. Shergill, Yogendra Raj Upadhyaya, Mark VanGessel, Ashley L. Waggoner, John M. Wallace, Samantha Wells, Charles White, Bethany Wolters, Alex Woodley, Rongzhong Ye, Eric Youngerman, Brian A. Needelman, Steven B. Mirsky

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