The subject of the invention is a method of treating {HEAD ~ biological masses} to produce a solid material which can be used as an agricultural fertiliser and {TAIL ~ conditioner}, characterized in that it includes the steps of: 
The subject of the invention is a method of treating { HEAD ~ biological masses } to produce a solid material which can be used as an agricultural fertiliser and { TAIL ~ conditioner } , characterized in that it includes the steps of :
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH