The reason why leaves turn yellowThe reason why many growers are worried may be that they have no idea why their plants turn yellow, so the medicine is not suitable for the disease, which naturally will not work. Specifically, there are several main reasons leading to this phenomenon. The first is the lack of nutrients. Generally speaking, plants lack calcium or nitrogen. The second is not watering the plants properly. Too much or too little water can cause the leaves to turn yellow. However, the symptoms are slightly different and can be seen through careful observation. If there is too much water, the young leaves of the plant will turn yellow and dull, but the older leaves will hardly be affected. However, if there is a lack of water, the old leaves will begin to turn yellow from bottom to top and eventually fall off, but the new leaves will not be affected. Therefore, if this is the case, it is important to distinguish whether there is a lack of water or too much water. The third one is caused by insufficient light. We all know that light is crucial for the growth of a plant. If plants stay in a shaded environment for a long time, they will not be able to carry out photosynthesis, and therefore chlorophyll will not be able to be synthesized. If this goes on for a long time, how can the leaves of plants not turn yellow? SolutionIf it is the first reason, you need to supplement the plants with appropriate nutrients. We can supplement nitrogen by applying animal manure, cake fertilizer, etc.; and supplement calcium with calcium chloride. Regarding the two aspects of the second reason, what we need is to water the plants scientifically and reasonably. The general principle is to keep the soil in the pot slightly moist, but not soaked in water. If it is the last reason, then it is relatively simple. Just take it out and expose it to the sun frequently in clear weather conditions. |
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