Fig 1.
The theoretical framework of this study.
Fig 2.
Selection of research sample.
Fig 3.
The income structure of the total sample of the province and the sample in this study.
Table 1.
Variables’ definitions and specifications.
Table 2.
Effect of crop production specialization on nutritional intake of farmers.
Table 3.
The estimated results of robustness check.
Table 4.
The estimated results of IV-2SLS.
Table 5.
Estimation results of farmers grouping and coefficient difference test.
Table 6.
The mediating effect test results of farmers income.