The main reasons for the yellowing of the azolla grass leaves and the dry coking of the tip are:
1 basin soil too dry. Azolla grass likes wet, afraid of dryness. Water should be promptly grown during growth, and avoid water loss. Insufficient moisture will cause leaf curling, yellowing of the leaf tip and darkness of the plants, which will affect growth and appreciation.
2 The light is too strong. Umbrella grass is like half shade, strong sunlight can easily cause the tip of the coke. Between May and September should be placed half shade.
3 The air is too dry. Azolla grass likes higher air humidity. The humidity of the air is too low. The leaves often have yellowish coking, especially when the temperature is high in summer. Water should be sprayed on the branches and leaves of the plants and the surrounding environment to increase the humidity.
4 low temperature. Azuma grass is not tolerant to cold, and it stops growing below 12°C. It should be kept indoors for more than 5°C in winter, otherwise it is susceptible to freezing and causing the leaves to dry.
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