Whether it is necessary to visit the Populus euphratica forest on November 4th mainly depends on several factors: local climate conditions, the seasonal status of the Populus euphratica forest, and your personal interests. Here are some considerations:
Climate conditions: If the local temperature is suitable and there are no strong winds and sand dust, then going to see the Populus euphratica forest will be a good choice.
Seasonal status of Populus euphratica forest: The leaves of Populus euphratica trees will turn yellow in autumn, which is very beautiful. If the Populus euphratica forest has begun to enter autumn on November 4, then it will be a good viewing effect. But if the best viewing period has passed, you may need to reconsider.
Personal Interest: If you have a special interest in Populus euphratica forest, you may still think it is worth seeing even if it is not the best viewing period.
To sum up, if you feel that these factors are suitable for you, then it is necessary to visit Populus euphratica on November 4th. If you have concerns about these factors, you may want to consider another time or location.