Transforming Agriculture, Perennially
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Agricultural Research & Scientific Publications

The Land Institute’s work advances agricultural scientific knowledge and is conducted in an innovative yet rigorous professional context. Explore our findings and ideas via articles authored or co-authored by members of our staff and published in peer-reviewed journals.

If you’re looking for popular media mentions of The Land Institute, visit our Media Coverage page.

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Author: Xiaofei Zhanga, Ahmad Sallamb, Liangliang Gaoa, Traci Kantarskic, Jesse Polandc, Lee R. DeHaan, Donald L. Wysea and James A. Anderson

Abstract: Intermediate wheatgrass (IWG) is a perennial species and has edible and nutritious grain and desirable agronomic traits, including large seed size, high grain yield, and biomass. It also has…

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Author: Traci Kantarski, Steve Larson, Xiaofei Zhang, Lee DeHaan, Justin Borevitz, James Anderson, Jesse Poland

Key message: Development of the first consensus genetic map of intermediate wheatgrass gives insight into the genome and tools for molecular breeding. Abstract: Intermediate wheatgrass (Thinopyrum intermedium) has been identified…

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Author: Timothy E. Crews, Jennifer Blesh, Steven W. Culman, Richard C. Hayes, Erik Steen Jensen, Michelle C. Mack, Mark B. Peoples, Meagan E. Schipanski

Abstract: Annual-based arable agroecosystems experience among the greatest frequency, extent and magnitude of disturbance regimes of all terrestrial ecosystems. In order to control non-crop vegetation, farmers implement tillage practices and/or…

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Author: Lee R. DeHaan,* David L. Van Tassel, James A. Anderson, Sean R. Asselin, Richard Barnes, Gregory J. Baute, Douglas J. Cattani, Steve W. Culman, Kevin M. Dorn, Brent S. Hulke, Michael Kantar, Steve Larson, M. David Marks, Allison J. Miller, Jesse Poland, Damian A. Ravetta, Emily Rude, Matthew R. Ryan, Don Wyse, and Xiaofei Zhang

Abstract: In the interest of diversifying the global food system, improving human nutrition, and making agriculture more sustainable, there have been many proposals to domesticate wild plants or complete the…

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Author: Pheonah Nabukalu, Thomas Stan Cox

Abstract: When developed, perennial grain sorghum could provide an opportunity for more ecologically sound food production. In 2002, we initiated a perennial sorghum breeding program, using Sorghum bicolor (L.) Moench…

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Author: Val H. Smith, Robert C. McBride, Jonathan B. Shurin, James D. Bever, Timothy E. Crews, G. David Tilman

Abstract: Global demand for transportation fuels will increase rapidly during the upcoming decades, and concerns about fossil-fuel consumption have stimulated research on renewable biofuels that can be sustainably produced from…

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Author: Richard R.-C. Wang, Steve R. Larson, Kevin B. Jensen, B. Shaun Bushman, Lee R. DeHaan, Shuwen Wang, Xuebing Yan

Abstract: Intermediate wheatgrass (Thinopyrum intermedium (Host) Barkworth & D.R. Dewey), a segmental autoallohexaploid (2n = 6x = 42), is not only an important forage crop but also a valuable gene…

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Author: Timothy E. Crews and Lee R. DeHaan

Abstract: This article was written as a response to Chris Smaje’s review, “The Strong Perennial Vision: A Critical Review”. In his review, Smaje argues that society in general, and the…

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Author: Food and Agriculture Organization, United Nations

In August 2013, our scientists helped the Food and Agriculture Organization of the United Nations organize a workshop in Rome on the role of perennial crops in providing food security….

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Author: Tim Crews, Stan Cox, Lee DeHaan, Sivaramakrishna Damaraju, Wes Jackson, Pheonah Nabukalu, David Van Tassel, Shuwen Wang

To meet the global food challenge of 2050, and well beyond, there is a growing consensus that farmers will need to produce more food using fewer and fewer chemical, energy…

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Author: Lee R. DeHaan, David L. Van Tassel

Abstract: Annual grain crops dominate agricultural landscapes and provide the majority of calories consumed by humanity. Perennial grain crops could potentially ameliorate the land degradation and off-site impacts associated with…

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Author: Bryan C. Runck, Michael B. Kantar, Nicholas R. Jordan, James A. Anderson, Donald L. Wyse, James O. Eckberg, Richard J. Barnes, Clarence L. Lehman, Lee R. DeHaan, Robert M. Stupar, Craig C. Sheaffer and Paul M. Porter

Abstract: Over the last half-century, crop breeding and agronomic advances have dramatically enhanced yields in temperate summer-annual cropping systems. Now, diversification of these cropping systems is emerging as a strategy…

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