Another pile of 15 m showed an increase to 84°C after 6
weeks and to 75° after 12 weeks. The pH decreased from about 6 to 2 — 2,5, the moisture content in the center of the piles remained fairly constant (between 110% and 120%). The bagasse material changed its color to light-brown (6 weeks) resp. dark brown (12 weeks) and became loose and brittle.