Growing 100 Pounds of Potatoes in Four Square Feet

[MCavity]

(14 May 2013, 10:17)bigpaul Wrote: thats the same principle as i use the tyres for but old tyres are free! the rubber heats up in the sun and retains the heat for a long time, put the spuds in the bottom tyre and cover to the top, when the shoots poke through add the 2nd tyre and earth over(i use cheap growbags for this, cut them open and pour into the tyre( its called "earthing up" by old gardeners), when the shoots poke through add the 3rd tyre and repeat the process, once you've got the 3rd tyre earthed up you dont need to add any more. you dont need to use expensive seed potatoes, supermarket spuds work just as good.

Where do you get old tyres from these days? I thought they all get recycled?