I remember seeing this method of growing spuds on an episode of GW. They used shredded newspaper to fill the void around the area where the air should go. As I remember, it was as much to save on compost as anything.
So each time you add a tyre, pack the void out with shredded newspaper (or straw, then earth up with compost! It worked for them, should for you! Good luck.
So each time you add a tyre, pack the void out with shredded newspaper (or straw, then earth up with compost! It worked for them, should for you! Good luck.
Comment