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Old June 4, 2020   #4
Join Date: Jun 2010
Location: Romania/Germany , z 4-6
Posts: 1,452

I thought 1:10 is generally considered a good number to aim for.
A very important thing in this calculation is the seed potato, not just the yield. One can make that ratio bigger by using fairly small potatoes. I see people often using way bigger than they should.
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