You don't need to go to the farm to plant yams when you can do it at the back of your house.You don't need to fear herdsmen when you can plant at your own backyard.This was exactly what this nairalander did

let's see how this goes, please ensure they have adequate manure.although the space for the tuber to grow is limited, again you have to space the bags to allow room for the leaves to spread, getting enough sunlight

Won't this technique of yours affect the size of the yam.

I don't think all yam types Can be planted this way.
Some are really huge.

Well done farmer

This is similar to vertical farming whereby crops are planted in cube like materials arranged on a storey framing device that helps the germination. It's commonly found in China,India, and best practice if there is no or little land space.

It would have been better if the bags was raised higher than this so to add more soil for most of the yams that will grow huge, and also spacing them to give way for the leafs to do good.

optimal use of space, nice onice. I notice that Water yam performs better in Not-so-fertile-land than conventional yams.

Nice, but I think a deeper bag would have been better