What if the orchid leaves turn yellow?
1. Increase the temperature
Reason: the low temperature environment causes discomfort to the orchid growth, which leads to the yellowing of the leaves.
Solution: place the plant in a bright and ventilated place at 18-23 ℃ and keep it at 5-10 ℃ in winter.
2. Proper shading
Reason: the orchid grows exuberantly in the sun, but can not carry on the direct sunlight, otherwise it will cause the leaf to turn yellow.
Solution: at noon, keep the plant away from strong light such as the windowsill; at other times, keep it in a warm and bright place to ensure a certain amount of light.
3. Dry basin soil
Reason: the orchid is suitable for growing in relatively dry soil, if the basin soil is too wet for a long time, it will cause the leaves to turn yellow.
Solution: do not water too frequently, once thoroughly; when the soil is no longer wet, water again, and put the plant in a ventilated and dry place at the same time.
4. Select rotten fertilizer
Reason: when fertilizing, unfermented cake fertilizer or pure phosphate fertilizer is added to make the leaves yellow.
Solution: select rotten fertilizer to prevent "excessive fertilizer" from burning the roots of plants.
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How to save asparagus from yellowing
Asparagus yellowing needs to be saved according to the reasons: if it is caused by improper watering, it needs to be watered scientifically; if it is caused by direct sunlight, it needs to be put into the position of astigmatism; if the temperature is too low, it needs to be adjusted to 15-25 ℃; if it is caused by improper fertilization, it needs scientific fertilization.
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What if the leaves of melon and chestnut turn yellow?
There are many reasons for the yellowing of melon chestnut leaves: if it is caused by unreasonable watering, then control the amount of watering, reasonable watering. If it is caused by unreasonable light, then give an appropriate amount of light, do not let it be directed by the strong light. If it is caused by too much fertilization, it is necessary to apply fertilizer scientifically. If the temperature is low, then pay attention to keep warm.
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