Using Precision Agriculture as a Tool to Enhance Weed Management

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1998-11-18
Authors
Johnson, Gregg
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Proceedings of the Integrated Crop Management Conference
Iowa State University Conferences and Symposia

The Iowa State University Integrated Crop Management Conference is Iowa's premier crop production education event. No other program in Iowa brings together the diverse range of topics, slate of expert presenters and results of the latest University research.

The ICM Conference offers workshops focusing on the latest in crop production technology. Experts from Iowa and surrounding states will provide research updates and results in soil fertility, soil and water management, crop production and pest management.

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Abstract

Historically, the goal of agronomic research and associated technologies is to advance crop management strategies that maximize grain production and reduce economic risk on a field scale. We all realize and appreciated the impact that weeds have on our ability to meet these goals. It is, therefore, critical to have an effective short and long-term management plan to deal with weeds. Weed management decision making is a complex endeavor requiring integration of weed biology, environmental risks, labor needs, crop yield potential, efficacy of a given control measure, and economics (Buhler et al., 1996). Because of this complexity, we often choose risk-averse management strategies that rely on full-rate uniform application(s) of herbicide(s) to reduce risk of yield loss due to weeds. Some have argued that we are missing the opportunities presented by a more holistic vision using integrated strategies that increase the short and long-term efficiency of the entire crop production system (Drazkowski, 1997). In other words, we need to trade the comfort and security of maximization for optimization.

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