Timely pruning: Blueberry yellow leaves turn green, first of all, the yellow leaves should be pruned in time, the yellowed leaves should be cut off, and the wound after pruning should not be watered to avoid rotting. After pruning, the wound should be disinfected with plant ash and sprayed with carbendazim solution to prevent bacterial infection.
Replenish water: blueberry yellow leaves turn green, to replenish water to the plant in time, but pay attention to control the amount of watering when watering, not to make the soil too wet, watering to water thoroughly, not only half watering. Each watering should wait until the flower soil is dry before watering, and do not water if it is not dry.
Reduce fertilization: The yellow leaves of blueberries turn green, and you should also pay attention to reducing the amount of fertilizer, because too much fertilizer will lead to the occurrence of yellow leaves. During the growing season, you can apply well-rotted cake fertilizer water to promote the growth of the plant.
Shading measures: The yellow leaves of blueberries turn green, and shading measures should be taken to prevent strong light exposure. Blueberries can be kept in semi-shade and exposed to scattered light.
Prevention and control of pests and diseases: blueberry yellow leaves turn green, but also pay attention to the prevention and control of pests and diseases, common pests and diseases are anthracnose, leaf spot, aphids, etc. For these pests and diseases, timely control measures need to be taken. A combination of biological and chemical control methods can be used for control.
Replace the potting soil: The yellow leaves of blueberries turn green, and you should also pay attention to replacing the potting soil. If the potting soil is too clay or lacks nutrients, it will affect the growth and development of the plant. It can be replaced with loose, breathable, well-drained potting soil to promote the growth and development of the plant.
Temperature control: Blueberry yellow leaves turn green, but also pay attention to temperature control. If the temperature is too high or too low, it will affect the growth and development of the plant. The temperature can be controlled within the appropriate range to promote the growth and development of the plant.
Fertilization skills: Blueberry yellow leaves turn green, but also pay attention to fertilization skills. During the growing season, you can apply well-rotted cake fertilizer water to promote the growth of the plant. At the same time, an appropriate amount of potassium dihydrogen phosphate solution can also be sprayed to promote flower bud differentiation and increase yield.
Reasonable watering: Blueberry yellow leaves turn green, but also pay attention to reasonable watering. When watering, we should pay attention to controlling the amount and frequency of watering, and not make the soil too wet or too dry. At the same time, it is also important not to splash water on the leaves when watering, so as not to affect the photosynthesis of the leaves.
Change the environment: The yellow leaves of blueberries turn green, and you should also pay attention to changing the environment. If the environment is too hot or too dry, it will affect the growth and development of the plant. Plants can be maintained in a well-ventilated environment with moderate humidity to promote plant growth and development. Blueberries
In short, blueberry yellow leaves turn green requires a variety of measures for maintenance and management, including pruning, water replenishment, reducing fertilization, shading, pest control, potting soil replacement, temperature control, fertilization techniques, reasonable watering, and changing the environment. Only when these aspects are well prepared and maintained can the healthy growth and aesthetics of blueberries be guaranteed.