2. Maintenance method of broom bonsai-fertilization: pancake fertilizer solution and manure solution are applied every half month during broom growing period, and fertilization management is not carried out in Xia Dong in two seasons.
3. Maintenance method of broom bonsai-lighting: broom is a subtropical tree species, which likes to grow in sunny and warm environment, but it is not cold-resistant. It is necessary to keep the bonsai brome in a sunny and well-ventilated humid environment. Shade properly in summer. In the northern region, the cold season after the end of autumn should be safely wintered indoors, and the room temperature should be above 8 degrees Celsius. In the south, it is best to put it in the leeward and sunny place.
4. Maintenance method of Bromus inermis bonsai-pruning: Bromus inermis is suitable for pruning and shaping in late spring and early winter, pruning dense branches and leaves, and pruning trees very beautifully. Nucleation can be carried out in summer and autumn to promote axillary buds to germinate lateral branches. If the core is removed more frequently, the branches and leaves will flourish.
5. Maintenance method of Maoxiang bonsai-turning over pots: Maoxiang bonsai needs to be turned over once every 2-3 years, and in February-March in spring, some old soil is replaced, and then some base fertilizer is added while changing pots, or corresponding root lifting treatment is carried out.
6. Maintenance method of Maoxiang bonsai-pest control: Pests and diseases easily encountered in Maoxiang bonsai include leaf roller moth, longicorn beetle, scale insect and aphid, which can be controlled by spraying 35% phoxim emulsion 2000 times and 40% omethoate emulsifiable concentrate 1000 times, or by manual washing or smearing with sulfur mixture.