Variable definitions and statistical descriptions
| Variable | Variable definition | Mean | SD |
|---|---|---|---|
| 1.outcome variables | |||
| Kiwi yield | The yield of kiwi per mu (tons/mu) | 1.49 | 1.09 |
| Kiwi income | The income of kiwi per mu (ten thousand yuan/mu) | 1.00 | 0.57 |
| Household income | Per capita household income (ten thousand yuan/person) | 3.87 | 3.33 |
| 2.Treatment variables | |||
| PCT1SMT0 | Whether to adopt pest control technology (PCT): 1 = yes; 0 = no | 0.25 | 0.43 |
| PCT0SMT1 | Whether to adopt soil management technology (SMT): 1 = yes; 0 = no | 0.21 | 0.41 |
| PCT1SMT1 | Adopt both pest control technology and soil management technology (Joint adoption): 1 = yes; 0 = no | 0.17 | 0.38 |
| PCT0SMT0 | Neither adopt pest control technology nor adopt soil management technology (Non adoption): 1 = yes; 0 = no | 0.37 | 0.48 |
| 3.Explanatory variables | |||
| Gender | 1 = male; 0 = female | 0.96 | 0.21 |
| Age | Age of head of household in 2018 (years) | 58.27 | 9.78 |
| Education | Education level of householder: 1 = below primary school; 2 = primary school; 3 = junior high school; 4 = high school; 5 = tertiary school and above | 2.84 | 0.79 |
| Asset value | Value of household fixed assets (ten thousand yuan) | 30.80 | 19.06 |
| Household size | Total family population (person) | 3.19 | 1.41 |
| Migrant work | Proportion of migrant workers (%) | 32.37 | 33.42 |
| Cooperative | Whether to join the cooperative: 1 = yes; 0 = no | 0.10 | 0.30 |
| Kiwi scale | Actual cultivated kiwi area (mu) | 5.99 | 4.23 |
| Land fragmentation | Number of kiwi plots (blocks) | 4.10 | 3.07 |
| Land quality | Soil quality of the largest kiwi planting site: 1 = very poor; 2 = relatively poor; 3 = general; 4 = relatively good; very good= 5 | 3.39 | 0.97 |
| Annual watering | Annual watering frequency of Kiwi (times) | 5.33 | 4.06 |
| Credit constraints | Difficulty of borrowing: 1 = very easy; 2 = relatively easy; 3 = general; 4 = relatively difficult; 5 = very difficult | 2.86 | 1.16 |
| Variable | Variable definition | Mean | SD |
|---|---|---|---|
| Kiwi yield | The yield of kiwi per mu (tons/mu) | 1.49 | 1.09 |
| Kiwi income | The income of kiwi per mu (ten thousand yuan/mu) | 1.00 | 0.57 |
| Household income | Per capita household income (ten thousand yuan/person) | 3.87 | 3.33 |
| PCT1SMT0 | Whether to adopt pest control technology (PCT): 1 = yes; 0 = no | 0.25 | 0.43 |
| PCT0SMT1 | Whether to adopt soil management technology (SMT): 1 = yes; 0 = no | 0.21 | 0.41 |
| PCT1SMT1 | Adopt both pest control technology and soil management technology (Joint adoption): 1 = yes; 0 = no | 0.17 | 0.38 |
| PCT0SMT0 | Neither adopt pest control technology nor adopt soil management technology (Non adoption): 1 = yes; 0 = no | 0.37 | 0.48 |
| Gender | 1 = male; 0 = female | 0.96 | 0.21 |
| Age | Age of head of household in 2018 (years) | 58.27 | 9.78 |
| Education | Education level of householder: 1 = below primary school; 2 = primary school; 3 = junior high school; 4 = high school; 5 = tertiary school and above | 2.84 | 0.79 |
| Asset value | Value of household fixed assets (ten thousand yuan) | 30.80 | 19.06 |
| Household size | Total family population (person) | 3.19 | 1.41 |
| Migrant work | Proportion of migrant workers (%) | 32.37 | 33.42 |
| Cooperative | Whether to join the cooperative: 1 = yes; 0 = no | 0.10 | 0.30 |
| Kiwi scale | Actual cultivated kiwi area (mu) | 5.99 | 4.23 |
| Land fragmentation | Number of kiwi plots (blocks) | 4.10 | 3.07 |
| Land quality | Soil quality of the largest kiwi planting site: 1 = very poor; 2 = relatively poor; 3 = general; 4 = relatively good; very good= 5 | 3.39 | 0.97 |
| Annual watering | Annual watering frequency of Kiwi (times) | 5.33 | 4.06 |
| Credit constraints | Difficulty of borrowing: 1 = very easy; 2 = relatively easy; 3 = general; 4 = relatively difficult; 5 = very difficult | 2.86 | 1.16 |
Notes:
mu is the unit of land area in China; where, one mu is equal to 0.667 ha