View from the Sky: Mapping corn nitrogen status at the watershed level
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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
To make informed decisions of how to better manage nitrogen (N) fertilizer, farmers and agronomists need the best and most reliable data about performance of fertilization systems. Regardless of the method used to determine N fertilizer requirements, users need to know whether past fertilization decisions were cost effective (too little or too much N) through feedback assessments.