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of appreciation for the benefits that can be realized from cover crops. Cho et al. (p. 258) appointed conservative economic values to weed suppression and nitrogen accumulation of five summer fallow treatments. Results showed that overall production

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on disease pressure or soil quality arise, steam disinfestation may have utility for pathogen and weed suppression in California cut flower nurseries. Leaders Propose Learning Outcomes for a Four-year Horticulture Program Twenty-nine horticulture

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Xi Wang, Genhua Niu, Mengmeng Gu, Paul A. Baumann and Joseph Masabni

redroot Palmer amaranth ( Amaranthus retroflexus ) Weed Sci. 53 702 708 Hoagland, L. Carpenter-Boggs, L. Reganold, J.P. Mazzola, M. 2008 Role of native soil biology in brassicaceous seed meal-induced weed suppression Soil Biol. Biochem. 40 1689 1697

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S. Alan Walters and Bryan G. Young

( Johnson and Mullinix, 1998 ). Although pumpkin vegetation will provide some soil shading and weed suppression once vines form across the soil surface ( Walters, 2011 ), the use of nonselective POST herbicide applications (e.g., paraquat) to row middles

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Ted S. Kornecki and Francisco J. Arriaga

., 1997 ; Reeves, 1994 ). Cereal rye is widely used in Alabama and can produce between 3 and 11 tons/ha of biomass providing benefits such as alleopathic weed suppression and a mulch effect resulting from enhanced residue cover ( Barnes and Putnam, 1983

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S. Christopher Marble, Andrew K. Koeser and Gitta Hasing

typically applied to landscape beds for aesthetics and weed suppression. Depending upon the type of mulch that is used, weed growth can be reduced by means of light exclusion, reduction of available air and water in seedbed, allelopathic chemical leaching

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Erin R. Haramoto and Daniel C. Brainard

crop residue on soil temperature and moisture, IN content, and cabbage yield. A secondary objective, not reported here, was to evaluate the effects of ST and oat residue on weed suppression before cabbage planting and weed/cabbage competition. We

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George E. Boyhan, Julia W. Gaskin, Elizabeth L. Little, Esendugue G. Fonsah and Suzanne P. Stone

production, particularly in the southeastern United States. In onion production on muck soils in Michigan using brassica ( Brassica sp.) cover crops or sorghum × sudangrass (sudex) resulted in similar weed suppression and soil fertility regardless of the

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S. Christopher Marble, Andrew K. Koeser, Gitta Hasing, Drew McClean and Annette Chandler

herbicides used in combination with those mulches decrease due to increased light exclusion and the physical barrier provided by herbicides ( Marble, 2015 ). Overall, similar trends were observed in both bed types at both locations. The weed suppression

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Debalina Saha, S. Christopher Marble, Brian Pearson, Héctor Pérez, Gregory MacDonald and D. Calvin Odero

when applied in the presence mulch, weed control increased with increasing mulch level due to the weed suppression ability of the mulch. In ornamental production, synergistic herbicide and mulch interactions have been reported, as mulch may act as a