1. Increase or decrease lightReason: The lighting conditions provided are very important. Too strong and direct sunlight will cause the water inside to be lost, causing the leaves to turn yellow and dry. In severe cases, they may be sunburned to death. On the contrary, if the plant lacks sunlight for a long time or is kept in a shaded environment for a long time, the leaves will not receive sunlight, and over time, the leaves of the entire plant will turn yellow. Solution: Excessive light can cause the leaves to turn yellow, so move the plant to a cool place. If the plant does not receive enough sunlight for a long time, it is necessary to change its position and supplement light in time, which can promote the healthy growth of the plant. 2. Improper application of nutrientsReason: Excessive fertilization or high concentration of fertilizer will cause nutrients to accumulate and cannot be absorbed. New leaves will turn yellow-brown and old leaves will become scorched and fall off. If the plant lacks nutrient supply for a long time, it will not get nutrient support, the leaflets will become lighter in color, and the old leaves will turn from green to yellow. Solution: If you find that you have applied too much fertilizer, stop applying it immediately. If the situation is serious, you can rinse the roots with clean water to wash away the remaining nutrients. If there is a lack of nutrients, you can add a little thin fertilizer appropriately, but the concentration should not be too high. |
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