|
| Variable | Connotation and assignment | Mean | Standard deviation |
|
| Green production willingness | Very low = 1; Low = 2; Normal = 3; High = 4; very high = 5 | 4 | 0.088 |
| Economic benefit perception = (A1 + A2)/2 | A1 very low = 1; Low = 2; Normal = 3; High = 4; very high = 5 | 3.80 | 0.079 |
| A2 very low = 1; Low = 2; Normal = 3; High = 4; very high = 5 | | |
| Ecological benefit perception = (B1 + B2)/2 | B1 very low = 1; Low = 2; Normal = 3; High = 4; very high = 5 | 3.95 | 0.080 |
| B2 very low = 1; Low = 2; Normal = 3; High = 4; very high = 5 | | |
| Guidance regulation | Very low = 1; Low = 2; Normal = 3; High = 4; very high = 5 | 3.79 | 0.093 |
| Incentive regulation | Very low = 1; Low = 2; Normal = 3; High = 4; very high = 5 | 3.42 | 0.098 |
| Restraint regulation | Very low = 1; Low = 2; Normal = 3; High = 4; very high = 5 | 3.55 | 0.110 |
| Age | Under 30 years old = 1; 30–40 years old = 2; 40–50 years old = 3; 50–60 years old = 4; over 60 years old = 5 | 2.75 | 0.092 |
| Business scale | Large grain grower = 1; family farm = 2; professional cooperative = 3; big enterprise = 4 | 3.08 | 0.060 |
| Training times per year | Did not participate = 1; 1–2 times = 2; 3–5 times = 3; 6–10 times = 4; 10 times or more = 5 | 2.95 | 0.839 |
| Proportion of agricultural income | Below 10% = 1; 10%–40% = 2; 40%–60% = 3; 60–90% = 4; above 90% = 5 | 3.18 | 0.816 |
| Cultivated area | 0–6.67 hectares = 1; 6.67–20 hectares = 2; 20–33.33 hectares = 3; 33.33–66.67 hectares = 4; over 66.67 hectares = 5 | 2.62 | 0.839 |
| Communication with neighbors about green production | No communication = 1; less communication = 2; Normal = 3; more communication = 4; frequent communication = 5 | 3.41 | 0.816 |
| Green production risk | Very low = 1; Low = 2; Normal = 3; High = 4; very high = 5 | 2.99 | 0.821 |
| Green production behavior of others | Very poor = 1; Poor = 2; Fair = 3; Good = 4; very good = 5 | 2.46 | 0.125 |
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