Table 1 Comprehensive index system for grain production resilience.
First-level indicators | Secondary indicators | Third-level indicators | Unit | Indicator attribute | Indicator weight |
|---|---|---|---|---|---|
Resistance | Basic guarantee | Effective irrigation area | Thousand hectares | Positive | 0.1300 |
Grain sowing area | Thousand hectares | Positive | 0.1316 | ||
Total power of agricultural machinery | Ten thousand kilowatts | Positive | 0.1450 | ||
Stability | Per capita possession of grain | Kilogram | Positive | 0.0979 | |
Per capita GDP | Yuan | Positive | 0.0969 | ||
Grain yield per unit sowing area | Kilogram per hectare | Positive | 0.0433 | ||
Resilience | Ecological coordination | Pesticide usage per unit grain sowing area | Kilogram per hectare | Negative | 0.0080 |
Agricultural diesel usage per unit grain sowing area | Kilogram per hectare | Negative | 0.0087 | ||
Fertilizer usage per unit grain sowing area | Kilogram per hectare | Negative | 0.0122 | ||
Agricultural plastic film usage per unit grain sowing area | Kilogram per hectare | Negative | 0.0115 | ||
Agricultural water consumption per unit grain sowing area | Ten thousand cubic meters per hectare | Negative | 0.0075 | ||
Recoverability | Disaster/affected area | % | Negative | 0.0010 | |
Multiple cropping index | % | Positive | 0.0535 | ||
Area of soil erosion control | – | Positive | 0.1259 | ||
Value added of the total agricultural output | One hundred million yuan | Positive | 0.1270 |
