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Table 1 Outputs of the initial regression model based on all the 13 independent variables

From: The determinants of crop yields in Uganda: what is the role of climatic and non-climatic factors?

Independent variable Unstandardized coefficient Standard error Standardized coefficient t value p value
Cattle stock − 3.49 3.26 − 0.28 − 1.04 0.304
Wood fuel/logging concessions − 1 2.91 − 2.59 − 3.44 0.001
CO2 emissions from forest clearance 0.002 0.002 0.19 0.75 0.452
Arable and permanent crop land − 0.01 0.01 − 0.43 − 0.64 0.522
Total area equipped for irrigation 2.209 4.37 0.2 0.50 0.616
Forest − 0.22 0.062 − 5.68 −  3.56 0.0009
Population − 0.013 0.008 − 3.55 − 1.55 0.127
GDP per capita − 0.14 0.049 − 0.72 2.82 0.007
Burned area 0.00011 0.00014 0.55 0.77 0.441
Total fertilizers used − 0.00028 0.0013 − 0.03 − 0.21 0.831
Number of agricultural tractors 0.051 0.018 2.48 2.92 0.005
Mean growing season precipitation − 0.203 0.191 − 0.08 − 1.06 0.292
Mean growing season temperature − 9.22 7.92 − 0.16 − 1.16 0.251
  1. R = 0.92; adjusted R2 = 0.86; ƒ-statistics = 19.3
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