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How to Estimate Yield

Monday, September 1, 2008
filed under: Optimizing Plant Development/Yields

Can you eyeball a late-summer/early fall sunflower field from the road and project its actual harvested yield within 100 pounds? If so, you don’t need to read this article. If not, however, you will find the yield estimating system described here to be a nice complement to your own seasoned talents of observation.

Developed by now-retired USDA-ARS sunflower geneticist Jerry Miller, this approximate estimation system is designed for oil-type sunflower specifically. It accounts for five key yield elements: (1) plant population, (2) head diameter, (3) seed size category, (4) good seedset and (5) center seedset.

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