Traditional Culture Encyclopedia - Weather forecast - This phenomenon occurs in the top leaves of tomatoes, and the lower leaves are intact. The weather is rainy for 2 days. Teachers should see what is going on!

This phenomenon occurs in the top leaves of tomatoes, and the lower leaves are intact. The weather is rainy for 2 days. Teachers should see what is going on!

even cloudy days with low temperature and rainy days, insufficient illumination, high respiratory consumption of crops, less dry matter accumulation, poor ventilation, harmful air volume, inhibited root absorption, and nutrients could not be delivered to the leaves in time, resulting in yellowing of the leaves. After a day or two of sunny weather, it can be sprayed with Bihu or brassinolide plus amino acid liquid fertilizer or rare earth micro-fertilizer plus true bacteria medicine.