treat index
Control 0.49
Control 1.05
Control 0.79
Control 1.35
Control 0.55
Control 1.36
Control 1.55
Control 1.66
Control 1.00
P2O7    0.34
P2O7    0.76
P2O7    0.45
P2O7    0.69
P2O7    0.87
P2O7    0.94
P2O7    0.22
P2O7    1.07
P2O7    1.38
HMP     0.34
HMP     0.05
HMP     0.53
HMP     0.19
HMP     0.28
HMP     0.45
HMP     0.71
HMP     0.95