Autumn is the peak period of fruit growth and an important stage of pre-harvest management. If the fruit growers can seize the opportunity to strengthen the management of the orchard, it can ensure a bumper harvest and a good harvest.
At this time, the nutrient supply of fruit trees should be strengthened, the autumn shoots should be controlled, and various pruning measures should be taken to ensure the normal growth of the leaves, promote the rapid expansion of the fruit, promote the full bloom of the flowers, prevent the late-ripening varieties from falling before harvest, and strengthen the prevention and control of pests and diseases.
Strengthen nutrient supply
Fruit trees have lost a lot of tree nutrients, especially apple trees in yellow leaves, leaf irregularities, leaf color irregularities, falling yellow leaves and leaf coke edges should strengthen nutrient supply. Fruit farmers can use leaf spray fertilizer, top dressing, and tree trunk fertilizer to supplement fruit tree nutrition.
Tree regulation
For fruit trees with a strong tree and less fruit, spray growth regulators to control the growth of new shoots and promote fruit coloration. Spraying after 4 pm is better.
The focus of pruning is clearing
Pruning fruit trees in the fall requires cutting off the long branches in the tree stalks and cutting the strips at the kerf. At the same time, the fruitless branches that affect the ventilation and light transmission of the tree are removed or retracted, and the ineffective branches of the middle and lower parts of the canopy are also removed.
The best period for opening the angle is the around September. The branches open to 70-80 degrees, and the branches open to 80-90 degrees. There should be two points when pulling the branch: one is that the base of the tree is less than 1 meter; the other is that the branch should be balanced, so that “flat, straight, and even†means “no circle, no bend, no sky, Do not drill the ground, do not overlap, and distribute evenly.
Strengthen pest control
Autumn should focus on early defoliation. In case of bad weather, it is not good to spray, but the pathogen infection is rapid, and quick-acting pesticides can be used. After spraying, as long as the agent can be dried and absorbed on the leaves, it can achieve a good sterilization effect. However, the efficacy is about 7 days. After the sunny day, spray long-acting drugs, such as bacteria, bactericidal, multi-antibiotics and other pollution-free pesticides.
Flood control and weeding
In the years when there is a lot of rain, after the rain, it should be drained in time, and the black clay orchard should pay attention to the soil. It is recommended that weeds with many weeds should be weeded in time, and the fertilizer can be cut down. In serious cases, chemical herbicides can be used to weed, but be careful not to spray them on fruit trees.
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