Publications

Wayman, S., Cogger, C., et al. (2015) Cover crop effects on light, nitrogen, and weeds, in organic reduced tillage. Agroecology and Food Systems. 39(6): 647-665.

Caldwell, B., Mohler, C., et al. (2014) Yields and profitability during and after transition in organic grain cropping systems. Agronomy Journal.106(3): 871-880.

Schipanski, M., Barbercheck, M., Douglas, M., Finney, D., Haider, K., Kaye, J., Kemanian, A., Mortensen, D., Ryan, M., Tooker, J., & White, C. (2014) A conceptual framework for evaluating multifunctionality of cover crops in agroecosystems. Agricultural Systems. 125:231-237.

DiTommaso, A., Ryan, M., et al. (2014) Effect of Cry3Bb Bt corn and tefluthrin on post-dispersal weed seed predation. Weed Science. 62:619-624.

Wayman, S., Cogger, C., et al. (2014) The influence of cover crop variety, termination timing and termination method on mulch, weed cover and soil nitrate in reduced-tillage organic systems. Renewable Agriculture and Food Systems.

Ward, M., Ryan, M., Curran W., & Law, J. (2014) Giant foxtail seed predation by Harpalus pensylvanicus (Coleoptera: Carabidae). Weed Science. 62:555-562.

Garrison, A., Miller, A., Ryan, M., et al. (2014) Stacked crop rotations exploit weed-weed competition for sustainable weed management. Weed Science. 62:166–176.

Camargo, G. G., Ryan, M., & Richard, T. L. (2013) Energy use and greenhouse gas emissions from agronomic crops using the Farm Energy Analysis Tool. BioScience. 64:263-273.

Mirsky, S. B., Ryan, M., et al. (2013) Overcoming weed management challenges in cover crop–based organic rotational no-till soybean production in the eastern United States. Weed Technology. 27:193-203.

Mortensen, D. A., Egan, J. F., Maxwell, B. A., Ryan, M., & Smith., R. G. (2012) Navigating a critical juncture in weed management. BioScience. 62:75-84.

Mirsky, S. B., Ryan, M., et al. (2012) Tillage issues: Cover crop-based organic rotational no-till grain production in the mid-Atlantic region. Renewable Agriculture and Food Systems. 27:31-40.

Nord, E. A., Ryan, M., et al. (2012) Effects of management type and timing on weed suppression in soybean no-till planted into rolled-crimped cereal rye. Weed Science. 60:624-633.

Ryan, M., Curran, W. S., et al. (2011) Effects of seeding rate and poultry litter on weed suppression from a rolled cereal rye cover crop. Weed Science. 59:438-444.

Mirsky , S. B., Curran, W. S., Mortensen, D. A., Ryan, M., & Shumway, D. L. (2011) Timing of cover crop management effects on weed suppression in no-till planted soybean using a roller-crimper. Weed Science. 59:380-389.

Ryan, M., Mirsky, S. B., et al. (2011) Potential synergistic effects of cereal rye biomass and soybean planting density on weed suppression. Weed Science. 59:238-246.

Ryan, M., Mortensen, D. A., et al. (2010) Elucidating the apparent maize tolerance to weed competition in long-term organically managed systems. Weed Research. 50:25-36.

Ward, M. J., Ryan, M., et al. (2011) Cover crops and disturbance influence activity-density of Amara aenea and Harpalus pensylvanicus (Coleoptera: Carabidae). Weed Science. 59:76-81.

 

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