Table 7.
The impact of AMS on pesticide expenditure under different terrain conditions.
| Variables | Estimation | Mean pesticide expenditure (yuan/mu) | Treatment effects | t-value | Reduction rate (%) | |
|---|---|---|---|---|---|---|
| Adoption of AMS | Non-adoption of AMS | |||||
| Plain areas | ATT | 121.594 (2.068) | 479.657 (2.726) | −358.064*** | −0.001 | 74.65 |
| ATU | 170.100 (5.027) | 199.309 (5.695) | −29.209*** | −3.846 | 14.66 | |
| Mountainous and hilly areas | ATT | 162.960 (1.710) | 292.328 (3.014) | −129.368*** | −37.331 | 44.25 |
| ATU | 221.337 (2.431) | 263.612 (3.990) | −42.275*** | −9.048 | 16.04 | |
*** indicate significance at the 1% level. Standard errors are reported in parentheses.