1. Reduce fertilizationIf the leaves of the green radish grown in the north turn yellow in winter, it is most likely due to improper use of fertilizer. Because the temperature in the north is relatively low in winter, the growth of not only the green radish, but most other green plants that grow in winter will slow down. For example, the green radish may have stopped growing. Adding too much fertilizer at this time can cause great damage to the root system, and it is easy for nutrients to not be absorbed, resulting in yellow leaves. Solution: Generally, fertilizer after winter is not directly poured into the root system. You can spray some foliar fertilizer and use special green radish fertilizer. If fertilizer damage has already occurred, the roots should be removed from the pot, rotten roots should be cut off, and the plant should be disinfected and replanted. Place it in a warmer place to allow it to resume growth and take some time. If the situation is serious, cut off the leaves and use them for cuttings. 2. No lightThis plant is relatively shade-tolerant, but long periods of lack of light will affect its photosynthesis, and the leaves will turn yellow instead of green, especially the new leaves. Solution: This kind of yellow leaves is relatively easy to deal with. Cut off the yellow leaves and place them in a place with better lighting to receive scattered light, and they will recover on their own soon. The temperature is low in winter, so just be careful to place it near the window to prevent it from freezing. 3. Too much wateringWater should be controlled during winter care. If there is still a lot of water after the temperature drops in winter, or if watering is very frequent, and the environment is not ventilated and there is little evaporation, water will accumulate in the soil and the roots will rot. In severe cases, the plant will freeze. Solution: After winter, you must strictly control water, reduce the amount of water, and then add water after the soil in the pot is dry. Take out the rotten roots, remove them, change the soil and put them in a new pot. |
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