1002 PH: composed only by 2 PH;
1003 PH: composed only by 3 PH;
100 PR: composed only by PR;
75PR252 PH: 75% olive tree pruning and 25% two-phase olive
pomace;
50PR502 PH: 50% olive tree pruning and 50% two-phase olive
pomace;
25PR752 PH: 25% olive tree pruning and 75% two-phase olive
pomace;
75PR253 PH: 75% olive tree pruning and 25% three-phase olive
pomace;
50PR503 PH: 50% olive tree pruning and 50% three-phase olive
pomace;
25PR753 PH: 25% olive tree pruning and 75% three-phase olive
pomace.