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Table 5 Results of robustness analysis

From: Exploring the influencing factors of continuous crop residue supply: from the perspective of a sustainable and bioenergy-oriented crop cultivation

Feature categories Variables Gini % Theil-L % Theil-T %
Geographical and climatic conditions °C 2.51 5.45 1.12 3.06 1.17 3.00
°C2 0.85 1.85 0.64 1.75 0.73 1.87
TGP 1.52 3.30 1.13 3.08 1.55 3.97
Sum   4.88 10.59 2.89 7.89 3.45 8.84
Characteristics of crops PSC 6.91 15.00 5.31 14.49 5.58 14.30
PST 2.47 5.36 1.23 3.36 1.83 4.69
FS 1.32 2.87 0.13 0.35 0.34 0.87
SDI 8.81 19.13 7.51 20.49 9.13 23.39
Sum   19.51 42.36 14.18 38.69 16.88 43.25
Macroeconomic status EP 5.73 12.44 4.12 11.24 3.15 8.07
EDL 9.69 21.04 8.01 21.86 8.07 20.68
Sum   15.42 33.48 12.13 33.1 11.22 28.75
  \(a\) 1.22 2.65 1.32 3.60 1.25 3.20
  \(\varepsilon\) 5.03 10.92 6.13 16.73 6.23 15.96
Sum   6.25 13.57 7.45 20.33 7.48 19.16
Total   46.06 100 36.65 100 39.03 100