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compost for potatoes in a tub

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Just keep topping up the soil over the green shoots, seems odd but really does increase your harvest :D


I only found out why from reading my GYO magazine the other day :oops:


The potatoes grow on thin stalks that develop from the main stem, not on the roots (which is where you would expect). So, if you're growing in a tub, it's best not to fill it up with compost at the start - just put enough in for the plant to grow a decent root system, and leave as much space as you can for earthing up, and you'll get lots more spuds!

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