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Old 22-01-2017, 10:45 PM   #43
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Join Date: Feb 2012
Posts: 932
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You can buy Oca tubers here. They are andean tubers like potatos and you can earth them up in the same way. Apparently they are traditionally grown after potatos as they use different nutrients in the soil. I have been growing them for a few years and I like them (kind of like potato with sour cream).

Also you can graft potatos to other nightshades like tomatos, peppers and aubergine. That way you can get a root crop as well as a fruit if you are low on space.
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