Bladderack.

I will be making more piles like this strategically about the garden. The seaweed will desalinate in the rain, it sits on a layer of sand covering the schist. The stone ring separates the soil from the salt. The ground slopes upwards from the circle centre. A large doughnut of cultivated earth surrounds A healthy plate full of holistic nourishment. A perfect soil conditioner, balanced mineral and trace element, the best iodine source.Helps hold water in fast draining ground. "It iz essential." Sez Iznibz. So it iz.What's good for the soil iz good for the cabbage iz good for the man.
Iodized cabbage, number one in cancer prevention and an aid to iron absorbtion.