Primary index | Secondary index | Unit | Code |
Grain production link | Arable land area per capita | hectare | I1 |
Grain gap per capita | kg | I2 | |
Agricultural labor force | 10000 | I3 | |
Fluctuation rate of grain yield | % | I4 | |
Ratio of grain sown area to crop sown area | % | I5 | |
Degree of agricultural mechanization | kW | I6 | |
Per unit area yield of grain | kg | I7 | |
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Grain circulation link | Grain trade dependency | % | I8 |
Inflation rate of grain price | % | I9 | |
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Grain consumption link | Per capita occupancy of grain | kg | I10 |
City Engel’s Coefficient | % | I11 | |
Countryside Engel’s Coefficient | % | I12 |