"At each turning it should be seen that there is sufficient moisture throughout the pile, and it is usually necessary to water during the turning process, in order that the moisture may reach all parts. With the maintenance of adequate moisture the attainment of a temperature of 140° to 150° F between the first three turnings may be considered advantageous. If there is little moisture, the manure will "burn" easily and it will require a much longer period of fermentation."