The expense is not extremely low, but the materials can be reused many times.
In the following shots, I show all the constructing details. Please note the green bottom and the wire that embraces it, it is used to recall the rootmass and the soil included into the pipe and to ease the extraction directly into the furrow.
The operation is needed to start from single shots, avoiding that, if planted in open beds, the vegetation covers them and chokes them.
are set in the winter and the furrow planting will be at the end of the summer