1, coping treatment: some citrus branches grow too dense and too high, so the crown should be trimmed first. Cut the crown that is too high short and the crown that is too dense thin to save unnecessary nutrient consumption, and also control its height to promote nutrient concentration.

2. Pruning long branches: Pruning citrus in winter is mainly aimed at fruiting trees. It is necessary to properly prune the fruiting branches and shorten the branches that are too long, otherwise the nutrients will not be concentrated, which is not conducive to flowering and fruiting in the coming year.

3. Pruning diseased branches: diseased branches, twigs and dead branches will inevitably appear during the growth period of citrus, so pruning in time can not only reduce nutrient consumption, but also promote better light transmission and ventilation inside, reduce invalid branches, increase the proportion of effective branches, and make nutrients more concentrated, so as to better blossom and bear fruit next year.

4. Precautions: After pruning, apply disinfectant to the wound to avoid bacterial infection. In addition, topdressing should be done once every half month to improve the cold resistance of citrus trees.

Extended data:

It likes higher temperatures, usually between 20 and 30 degrees. The requirements for lighting are particularly high, and it is necessary to ensure sufficient sunshine to make it taste sweet. The demand for water is also great, so we should pay attention to irrigation in dry season. Fertilize the seedlings after one month, and it is not advisable to fertilize too much each time.

Citrus fruits are usually divided into four categories, namely citrus, orange, orange and grapefruit. More common are citrus, navel orange, grapefruit, sugar orange and so on. Although the skin thickness is uneven, they all have good nutritional value and medical care value, which is good for human health.

Baidu encyclopedia-citrus