Yield Response to Winter Application of Chicken Manure

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2003-12-04
Authors
Holmes, John
Rueber, David
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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

Several large poultry confinement sites have been established in north central Iowa during the past ten years. Many farmers are applying the chicken manure during the fall and winter months as a fertilizer source. Although not desirable, applications have been made to frozen soils and snow covered fields. In 2000 an experiment was started to evaluate yield response to chicken litter applied to snow-covered fields. The objective of the experiment was to document yield responses to applications made during the winter and spring at two different rates. The focus was on response to nitrogen from manure rather than phosphorus or potassium.

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