The waste is crushed and soaked for 3 days. Aromatic herbs are collected in all possible varieties and soaked in turn for 24 hours. Then a lot of alternate layers of 15 cm are made. of plant residues, another of sheep or horse manure and a third of aromatic herbs. This series of layers follow one another until reaching a height of about two meters and is left for 21 days. Then it is undone and re-made in a pyramidal form 2.2 m base by 1.6 m high and left 90 days.
