How to prevent the leaves of Cymbidium from yellowing?

Some netizens asked how to prevent the leaves of Cymbidium from yellowing? There are several situations in which the leaves of Cymbidium are yellow. if the bottom leaves grow new roots from the axils of the leaves, it is a normal metabolism to make the leaves yellow. If there are no new roots in the axils and the leaves turn yellow, it is mostly due to the soil quality, poor air permeability, too much fertilizer or poor control of watering dry humidity, which may make the leaves of Cymbidium yellow. If the water is impermeable and the root tip is short of moisture, it will make the leaf tip yellow and dry. In this case, you must pour water thoroughly. In summer, the bottom of the flowerpot can sit on a small basin of water every 7-10 days, so that you can ensure that it can be watered thoroughly. This is called flooding.

Another situation is that yellow spots of different sizes appear on both sides of the leaves, which is called brown spot. This is mainly due to the relatively healthy soil and excessive fertilizer application. Generally speaking, rotten leaf soil should be used in basin soil, and its air permeability is better, especially in summer, thin fertilizer should be applied frequently, and fertilizer and water should not be dripped on the leaves, so as to prevent the occurrence of spot opening disease. In another case, due to sufficient sunshine and high temperature in summer, if the magnolia is exposed to the sun, sunburn will occur, the light leaves turn yellow and the heavy ones wilt. Shading should be taken in summer, put in a ventilated place, the degree of shade should be 50%, and the south window of the family can be shaded by a layer of gauze.

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