1. environment: orange tree bonsai likes a warm, ventilated and sunny environment. When maintaining indoors, choose a window with sufficient light to keep the indoor air humidity and not too dry.
2. Watering: Watering is the key to bonsai conservation in citrus reticulata. In order to keep the soil moderately moist, water is poured about once a week. Observe the humidity of the soil before watering. If it is dry, water it in time, but not too much, so as not to rot the roots because of too much water.
3. Fertilization: Fertilize the orange bonsai in spring and summer every year, choose fertilizers containing nitrogen, phosphorus, potassium and other elements, and adjust the amount of fertilization according to the actual situation of the plant.
4. Pruning: The branches of orange bonsai grow rapidly and need to be pruned frequently, so as to control the plant shape and branch length, promote the branching of bud eyes, and make its style more diversified in manual artistic decoration.
5. Pest control: The main pests and diseases of orange bonsai are aphids and red spiders. Biological agents and chemical agents can be used for prevention and control, but it should be noted that excessive use of chemical agents will cause harm to bonsai.