### 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: Tea experts in the province said that after picking green tea and black tea, tea farmers have income all year round, and the output value of tea gardens has soared.
### Errors: There is a major error of incorrect translation is missing content from the correct translation at "Tea experts in the province said that after picking green tea and black tea,". There is a major error of incorrect translation has stylistic problems at "and the output value of tea gardens has soared.".

### 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.