The reason why rice leaves turn red is because of the high temperature weather in this growth stage. Under the high temperature weather, its leaves transpiration is strong, and it is very easy to appear physiological water shortage. There is also a high temperature when the general will be watering, at this time, strong irrigation will lead to roots in the state of water and hypoxia black, and then lose vitality, so that leaves have red symptoms.
1. Watering: when watering, it should be alternately dry and wet, not excessive at one time, a small amount of water every time, etc. when there is no open water in the field, it should be watered, so as to repeat the cycle, remember not to have a large amount of water.
2. Fertilization: if the leaves turn red, it is necessary to apply fertilizer in time. Fertilization can make some fertilizer containing potassium be selected, or spray a proper amount of potassium bicarbonate solution on the leaves, so as to alleviate the disease and improve photosynthesis.
