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I had a good looking crop of sweet potatos for my first big try last summer. But many of them (Beauregards) were long and slim, say 2 1/2 inch diameter and 8 or ten inches. And the casserole I just made had a bit of stringiness (confess I used some little scraggly ones I probably should have not used.
I read this from Aggie Hort
" 3. Q. What causes sweet potato roots to be long and stringy?
A. This condition is caused by high fertility. The edible portion of the sweet potato plant is a storage root. Luxurious growing conditions cause vigorous vine growth and result in poorly-developed stringy roots. Maturity and variety also affect the texture of sweet potatoes. "
I grew my SP in a bed made from half finished leaf compost on top of turf, blocked with newspaper. (Brown leaves, barely helped with anything else) Does this qualify as too rich? I had a hot dry summer, I rarely or never added any fertilizer or extra water. THe vines from nine slips covered an area about twelve by fifteen by end of summer, after flipping the ends back in at times..
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