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Table 5 Statistics of best–worst scores for soil conditioners’ attributes

From: Factors affecting purchasing process of digestate: evidence from an economic experiment on Sicilian farmers’ willingness to pay

 

T1

T2

T3

T4

Organic origin

0.46

0.67

0.11

− 0.16

 Fisher’s exact test p value = 0.0801

Soil fertility

1.66

1.36

1.71

1.61

 Fisher’s exact test p value = 0.7682

Environmental sustainability

0.79

0.65

0.27

0.34

 Fisher’s exact test p value = 0.4410

Local production

− 1.43

− 0.82

− 1.16

− 0.57

 Fisher’s exact test p value = 0.1297

Safety

− 0.57

− 1.00

− 0.88

− 0.63

 Fisher’s exact test p value = 0.5412

Price

− 0.66

− 0.60

− 0.07

− 1.09

 Fisher’s exact test p value = 0.2757

Natural product

0.48

0.55

0.27

0.77

 Fisher’s exact test p value = 0.2067

Microbial activity

0.21

0.33

0.34

0.61

 Fisher’s exact test p value = 0.7319