Input index |
Labour force |
X1 |
Number of employees on farm (×104 people) |
Agricultural practitioners = first industry practitioners × total agricultural output value/total output value of agriculture, forestry, animal husbandry, and fishery. |
Land |
X2 |
Planting area of crops (khm2) |
Statistical Yearbook queries |
Chemical fertilizer |
X3 |
Fertilizers consumption1) (×104 t) |
Statistical Yearbook queries |
Pesticide |
X4 |
Pesticide usage (t) |
Statistical Yearbook queries |
Agricultural machinery power |
X5 |
Total power of agricultural machinery (×104 kW) |
Statistical Yearbook queries |
Irrigation |
X6 |
Effective irrigation area (khm2) |
Statistical Yearbook queries |
Output index |
Total output value of farm |
Y |
Total output value of farm (×108¥) |
Statistical Yearbook queries |
Bad output index |
Carbon emissions |
U1 |
Total carbon emissions from fertilizers, pesticides, agricultural membranes, agricultural diesel, agricultural irrigation, and agricultural sowing (×104 t) |
Total carbon emissions = chemical fertilizer application × 0.90 + pesticide use × 4.93 + agricultural film use × 5.18 + agricultural diesel use × 0.59 + effective irrigation area × 20.48 + total crop area sown × 312.60 |
Pollution emissions |
U2 |
Quantity of chemical fertilizer, pesticide, total residues of agricultural membrane (×104 t) |
Total pollution emissions = chemical fertilizer application × 0.65 + pesticide use × 0.50 + agricultural film use × 0.10 |