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How little potato root is needed to produce foliage?

Posted: Mon Aug 15, 2011 4:58 pm
by Stephen
As it says really.
After I cleared the onion bed (which had several volunteers) I cleared the ground yet I am still getting some sprouts. When I lift these there appear to be no tubers underneath.
Also relevant as I have gone over this year's row of earlies twice I was wondering if I should dig over a third time?

Re: How little potato root is needed to produce foliage?

Posted: Mon Aug 15, 2011 5:54 pm
by glallotments
It is amazing - after an incredibly dry growing season - we have had hardly any significant rain since April, our potato tops had made very little growth. We dug them up fearing we would have nothing to harvest but have had a good a crop in weight as last year. The only real difference is fewer individual potatoes but larger tubers.