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Dana Jokela and Ajay Nair

maximum weed suppression and reduced N immobilization, and 3) the ability of cover crop–based cropping systems to align with conservation tillage approaches. Challenges also exist in effective cover crop termination strategies in organic vegetable

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Guangyao Wang, Mathieu Ngouajio, and Darryl D. Warncke

( Hoffmann et al., 1996 ). Cover crops and other soil organic amendments could also serve as enhancement strategies for onion production under short-term crop rotations. Benefits could include weed suppression ( Boyhan et al., 2006 ; Charles et al., 2006

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Thierry E. Besançon, Maggie H. Wasacz, and Joseph R. Heckman

fit within the spatial and seasonal requirements of a crop rotation. Cover crops can aid in weed suppression by actively outcompeting weeds for resources, physically shading the ground to prevent weed seed germination, decreasing the availability of

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Alyssa H. Cho, Carlene A. Chase, Danielle D. Treadwell, Rosalie L. Koenig, John Bradley Morris, and Jose Pablo Morales-Payan

, aided by various biotic and abiotic factors ( Rice, 1984 ). Scientists agree that allelopathy is an aspect of plant interference; however, there is a lack of consensus on the importance of allelopathy in weed suppression and information on the modes of

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Jacob C. Domenghini

growing season is limited. Additionally, research comparing the efficacy of weed suppression treatments applied in the fall for a spring garden compared to spring-only weed treatments is lacking. Therefore, to assist home gardeners or commercial farmers

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Eric B. Brennan and Richard F. Smith

mustard population density, biomass production, plant height, nutrient concentration, and weed suppression. We expected that higher seeding rates would provide some benefits in furrow cover crops by increasing early-season biomass production, nutrient

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Caitlin E. Splawski, Emilie E. Regnier, S. Kent Harrison, Mark A. Bennett, and James D. Metzger

preclude the use of pesticides, or the use of mechanical tillage because of a lack of space or financial resources for equipment and skilled labor. The recycling of urban wastes such as paper and plant trimmings for weed suppression in urban farms could

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Jesse Puka-Beals and Greta Gramig

hydromulch have previously provided 57% to 63% weed suppression, while also promoting advantageous soil conditions for cool-season crops ( Warnick et al., 2006 ). Compost blankets consist of composted weed-free organic materials applied onto the soil surface

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James Ferguson, Bala Rathinasabapathi, and Clinton Warren

experiments on weed suppression. Two field experiments were conducted between 1 Apr. and 15 Aug. 2005 and a third experiment between 1 June and 15 Aug. 2005 in a simulated container nursery on the University of Florida campus in Gainesville. Crape myrtle

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Stephanie Wedryk, Joel Felix, Doug Doohan, and John Cardina

al., 2011 ). Weed suppression and grain yields in the first certified organic year can be affected by the species of cover crop used during 3 years of transition ( Smith et al., 2011 ). Transitional strategies of different agronomic crop rotations