Table 1 Variable’s definition, classification, and descriptive statistics.
From: Linear and non-linear impact of key agricultural components on greenhouse gas emissions
Variable overview | Descriptive statistics | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Variables | Identifiers | Classification | Units | Source | Time | Mean | Std.dev | Max | Min |
Greenhouse gas emissions | GHG | Dependent | (Mt of CO2 equivalent) | WDI-world bank (2024) | (1990 to 2020) | 15.743 | 12.488 | 18.991 | 10.991 |
Agricultural land | AGL | Independent | (% of land | WDI-world bank | (1990 to 2020) | 5.043 | 2.016 | 6.064 | 1.008 |
Fertilizer consumption | FC | Independent | (Kg per hectare of arable land) | WDI-world bank | (1990 to 2020) | 7.838 | 1.241 | 8.141 | 0.326 |
Energy used in agriculture | EUA | Independent | (10 billion kwh) | NBSC, database | (1990 to 2020) | 6.709 | 4.279 | 7.259 | 2.273 |
Crop production index | CPI | Control | (2014–2016 = 100) | WDI-world bank | (1990 to 2020) | 4.266 | 2.313 | 5.679 | 2.694 |
Livestock production index | LPI | Control | (2014–2016 = 100) | WDI-world bank | (1990 to 2020) | 5.274 | 3.349 | 7.611 | 0.410 |
Fisheries production | FP | Control | (Metric tons) | WDI-world bank | (1990 to 2020) | 16.428 | 9.228 | 17.627 | 1.719 |
Agriculture value added | AVA | Control | (% of GDP) | WDI-world bank | (1990 to 2020) | 4.546 | 3.400 | 6.280 | 0.953 |
Forest production | FL | Control | (Sq.km) | WDI-world bank | (1990 to 2020) | 14.44 | 11.104 | 20.603 | 03.267 |