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west central Iowa | I got the full chart from the shop, here are somw other pops.
driver driven spacing population
30, 28, 1.62 129276
22, 22, 1.71 121809
26, 28, 1.85 112941
16, 18, 1.93 108274
There is also a formula for for competitors planters, you take your desired bean population x your row spacing divided by 140 and that gives you corn population to set the sprockets to.
130,000 x 30" rows
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140 =27857 converted population | |
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