1, soil discomfort?

Lemon tree leaves rolled may be in the planting of the plant to provide the soil is not suitable for plant growth, so in the late maintenance of lemon trees need to replace the soil for the plant replanted, generally in the replanting of the best use of organic matter content is richer, better drainage of sandy loam or humus.

2, insufficient watering?

Lemon tree leaves rolled may also be in the maintenance of the plant to provide plants with insufficient water, resulting in the plant leaves lack of water, so in the later maintenance of the plant need to increase the supply of water, so that the plant to restore healthy growth, and in the watering of the plant is best to use mineral-rich river water or lake water.

3, improper fertilization?

Lemon tree leaves curling may also be in the process of maintaining the plant to provide plants with insufficient nutrients, so in the maintenance of plants need to provide plants with reasonable nutrients, so that the plant grows more exuberant, and in the fertilization of plants is best to use nitrogen-phosphorus-potassium composite fertilizer, so that plants can absorb a balanced nutrient.

4, suffer from pests?

Lemon trees in the growth process of pests will also appear to roll the phenomenon, so in the maintenance of lemon trees need to use scissors to cut the plant to roll the leaves, to avoid other healthy leaves suffered from pests, while in the pruning need to be regularly sprayed with insecticides to plants, to eliminate the pests on the plant, so that the plant to return to normal growth.

Expanded Information:

Lemon trees are mainly anthracnose, scab, rheumatism, foot rot, yellow spot disease, brown spot disease and so on. Strengthen the cultivation management, pay attention to drainage and irrigation, increase the application of organic fertilizers, and time to logging and pruning, to avoid orchard depression.

The prevention and treatment of rheumatism and foot rot is to peel off the diseased part first, and apply the diseased part with mefenacet lead-copper or ethylphosphine-aluminum liquid, 7 to 10 days after 1 time. Other diseases mainly in April to September monthly spraying 1 time Dasheng M ~ 45 (can be mixed with other pesticides abuse). When there is disease, add Xian Sheng or Shin Sheng can be.