Optimal pruning time of fruit trees in northern China.

The pruning time of northern fruit trees in winter is from the middle and late of 10 to the end of February of10/6.

The winter pruning of fruit trees in northern China is carried out between the middle and late days of 165438 10 and the late days of February of 65438, that is, before the soil is frozen. Because the climate in each region is different, the specific pruning time should be adjusted according to the local temperature. Pruning at this time is called dormant pruning, and it is also possible when the fruit trees are dormant but the soil is not frozen.

In winter, pruning is mainly based on short branches, that is, cutting off some branches from the top, 65,438+0 or 65,438+0 to promote the growth of fruit trees, reduce fruits, and also cut off some fruiting branches, because there is a causal relationship between fruits of fruit trees, and more fruits will become smaller.

north

The northern region refers to the area north of Qinling-Huaihe line, east of Daxinganling and Wushaoling, including all or most of the three northeastern provinces and five provinces and two cities in the middle and lower reaches of the Yellow River, as well as southeastern Gansu, eastern and northern Inner Mongolia, Jiangsu and northern Anhui. The climate in the northern region is dominated by monsoon climate, and the terrain is dominated by plains, with both plateaus and mountains, which are rich in resources.

The topography of the northern region is mainly plain, but there are also plateaus and mountains. The northern part of China is mainly characterized by north temperate zone and temperate monsoon climate. The climate is characterized by four distinct seasons throughout the year, high temperature and rainy summer and cold and dry winter. The northern region is rich in mineral resources. Northeast China is rich in oil, natural gas, coal, metals, wood and so on, while North China is extremely rich in coal reserves.