Table 3 Definition of variables and some descriptive statistics
From: The impact of the international rice genebank (IRG) on rice farming in Bangladesh
Variable name | Variable label | Mean | SD |
|---|---|---|---|
Yield | Yield (kg/ha) | 4,964 | 1,443 |
Fertilizer | Fertilizer (NPK) quantity (kg/ha) | 171 | 92 |
Labor | Total labor (person-days/ha) | 116 | 35 |
Power_cost | Cost of power inputs (machine rental, animal rental, fuel, and electricity) in Tk/ha | 12,923 | 5,991 |
Other_inputs | Cost of other material inputs (herbicide, pesticide, and others) in Tk/ha | 1,394 | 1,795 |
Variety_age | Age of variety (years) | 26 | 12 |
Irrigated | Use a supplemental source of water for irrigation (1-yes, 0-no) | 0.46 | 0.50 |
Submergence | Submergence condition of the plot (1-yes, 0-no) | 0.03 | 0.17 |
Distance_dealer | The distance of the house from the nearest input dealer (km) | 2.03 | 1.96 |
Age | Age of the household head (years) | 46 | 13 |
Education | Education of the household head (years) | 5.6 | 4.5 |
Definite_contribution | Definite contribution of IRG on the variety (index) | 0.68 | 0.25 |
Barisal | Plot’s location is in Barisal (1-yes, 0-no) | 0.12 | 0.32 |
Chittagong | Plot’s location is in Chittagong (1-yes, 0-no) | 0.12 | 0.33 |
Dhaka | Plot’s location is in Dhaka (1-yes, 0-no) | 0.12 | 0.32 |
Khulna | Plot’s location is in Khulna (1-yes, 0-no) | 0.42 | 0.49 |
Rajshahi | Plot’s location is in Rajshahi (1-yes, 0-no) | 0.22 | 0.42 |