Improve the ventilation and light transmission conditions of oranges and concentrate the nutrients. After the leaves fall in autumn and winter, they should be trimmed. Cut off too dense branches such as parallel mouth, cross mouth, introversion and insect-proof mouth to keep the plant in a beautiful shape. Late autumn and early winter. Pot-cut oranges can be buried in the soil, with branches exposed outside the ground soil and the top protected by grass or soil. Others put the flowerpots directly into the cellar for the winter, remove the plastic film in the spring of the next year, go out of the kiln as usual, and put them in a ventilated and sunny place to strengthen the management of fertilizer and water; Let it bloom naturally. Others are placed in greenhouses or plastic greenhouses to promote early flowering according to holiday needs. In order to make potted oranges more beautiful, concise and elegant in decorative modeling; When the flowers are about to bloom, you can put painted pottery and porcelain pots outside the original pottery pots; Put it on a delicate basin frame or table in a spacious and bright hall or purlin.
In addition, it is also introduced that spraying silver thiosulfate solution with the concentration of 1% before citrus flowering can reduce bud shedding by 55% and prolong flowering period by 1/5 days.