Is the climate and soil in Dianjiang, Chongqing suitable for planting apple trees?

The climate and soil in Dianjiang, Chongqing are suitable for planting apple trees. Dianjiang County belongs to subtropical humid monsoon climate, with mild climate, abundant rainfall, distinct four seasons, changeable early spring, frequent droughts in summer, cool and rainy autumn, and cold winter without severe cold.

1 Apple trees can adapt to most climates. It is the best choice for apple growth between 35-50 degrees north and south latitude. Apples need 1000- 1600 units of heat and 120- 180 days of frost-free weather. Warm during the day and cold at night, and as much light radiation as possible is the premise to ensure good quality.

2. Remove the crown of the grafted sapling, cut the epidermis into a T-shaped opening at its base with a knife, then trim the scion of the hollow tube according to the shape and size of the T-shaped opening, insert it into the opening of the grafted tree, and wrap it. After fertilization, if there are irrigation conditions, water should be poured into the garden once, and shallow hoeing should be done in time to preserve moisture. Dry land orchards should be raked to conserve moisture, then fertilized, and then quickly leveled and patted to conserve moisture.

In general, the buds of the middle and back branches of apple varieties are not easy to germinate, especially the slow-release branches are often "bare-legged branches". In order to promote the sprouting of branches and reduce bare legs, a sharp knife or a small saw blade should be used to damage the xylem 1/4- 1/3 at the position that needs sprouting (central main branch) or in front (oblique main branch and auxiliary branch) from the end of March to the beginning of April. Then remove the competition (branch), bud and bud back on the main branch and auxiliary branch in the center.

Adding "Shujiangjun" 100 times solution when spraying foliar fertilizer or pesticide on fruit trees every day can inhibit the replication of infectious viruses, resist the infection of airborne viruses, and protect the population and quantity of beneficial animals earthworm and natural enemies of fruit tree pests. Therefore, it is very important to protect natural enemies while eliminating pests and diseases.