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Central South Dakota | vacuum level varies year to year, I've ran as low as 13-14 and as high as 18-19. Flowers are just a tricky beast to get to plant right. It seems it changes from year to year, I always figure out my target population and then fiddle with the planter to try to get it doing the best job as close to the target rate as possible. Some varieties that may be 1000 seeds below where I want to be to as high as 1500 above. If you can get flowers to consistently singulate over 95% I think your doing a pretty good job. | |
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Sunflower seed size matter?
