### Chinese: 省内茶界专家称，采完绿茶采红茶、黑茶，茶农一年四季有收入，茶园产值直线上升。
### English: Experts in the tea industry in the province say that after picking green tea, picking black tea and dark tea, tea farmers can earn money all year round, and the output value of tea gardens will increase sharply.
### Errors: There is a major error at "after picking green tea, picking black tea and dark tea". There is a major error at "output".

### Improved English: According to opinion of experts in the tea industry in the province, tea farmers pick black tea after green tea and have income in all four seasons, making the  production value of tea gardens soar.