The sea is fertile, but I didn’t think much about the tractor getting in and working! Insert the tractor into the salt water up to the neck and sink the even wide back. But for what? He's doing it in the grass, in the sea grass, in the canopy. Gorbelas or algae are collected and extracted in Asturias in the following way. It is said that they have the most abundant harvest on the days of the marine life.