Estimate First Crop Pre-Harvest Alfalfa Quality in the Field Using PEAQ
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Date
2017-06-01
Authors
Lang, Brian
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Extension and Outreach
Iowa State University Extension and Outreach helps carry Iowa State’s land-grant mission beyond campus, to be the university that best serves the citizens of Iowa. With Iowa State University, we embrace the land-grant philosophy of:
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- research applied to the needs of Iowa, the nation, and world
- extending knowledge to strengthen Iowa’s economy and citizens’ quality of life
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Abstract
Climatic variations impact alfalfa growth and development making it impossible to use a calendar date each spring to best determine when to harvest the first crop. However, University of Wisconsin agronomists developed a simple procedure that takes climatic variations into account to estimate the relative feed value (RFV) of standing alfalfa to better predict when to begin first crop harvest.