Alternatives to Synthetic Herbicides for Weed Management in Container Nurseries

Gary W. Knox, Matthew Chappell, Robert H. Stamps, and Chris Marble

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Weed management is one of the most critical and costly aspects of container nursery production. High irrigation and fertilization rates create a favorable environment for weed growth in addition to crop growth. Weeds can quickly out-compete the crop for light and other resources, reducing

the rate and amount of crop growth as well as salability (Berchielli-Robertson, Gilliam, and Fare 1990; Norcini and Stamps 1994). Weed management in nursery production is most effectively achieved through preventative practices, primarily with preemergent herbicides (Gallitano and Skroch 1993; Gilliam et al. 1990).

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