First, Apple
â— After harvesting, the whole tree sprays 3-5% urea 1-2 times after harvesting, delays leaf senescence, enhances photosynthesis, increases storage nutrients, promotes flower bud differentiation, and ensures safe wintering of trees.
â— Autumn application base fertilizer is the third growth peak of fruit tree roots. The root growth is the largest, the absorption capacity is the strongest, the root is easy to heal, and it can promote new roots to increase the absorption area. Recently, the soil has good moisture and moderate temperature, which is conducive to fertilizer conversion and nutrient storage and utilization. In September, if there is no orchard in the orchard, we must seize the opportunity to apply the base fertilizer as early as possible.
â— Planting rapeseed and ryegrass between rows of grass and grass.
â— Pest control (1) Prevention and treatment of apple rot. After harvesting the fruit, the tree was sprayed with chlorfenapyr or bactericidal acid once to prevent the rot from invading the tree from the unloading effect. Autumn is the second high-incidence period of rot disease. While strengthening the tree potential, after the application of the base fertilizer, the main, main branches, branches and other places are scraped off coarse, old, and sloppy, and concentrated destruction (discovering rot and disease thoroughly) Scrape), and treated with flusilazole, tebuconazole or thiophanate-methyl, orchard with severe rot, 15 days apart, overcoating once. (2) Prevention of the damage caused by the green leafhopper. In order to avoid the emergence of dead branches and dead trees on the young branches, the white leaves and the main branches can be painted white in early October to prevent the green leaves from spawning.
Second, cherry
â— Tree management (1) Shuzhi: For the tree, it is necessary to timely remove the erect branches on the back, over the branches, over the branches, improve the inner light and promote flower bud differentiation. (2) Pulling the opening angle: The opening angle of the large cherry in autumn is better than that in the spring. When pulling the opening angle, pay attention to moving the rope or falling object in time to prevent the tip angle from growing upward.
â— Fertilizer management (1) Autumn application base fertilizer: Large cherry needs to be fat and concentrated in spring. In order to increase the reserve nutrients of the tree, the application of base fertilizer in autumn is the key. The fertilizer is mainly microbial fertilizer or bio-organic fertilizer, and it can also be decomposed livestock manure, cake fertilizer, compost, biogas residue, straw fertilizer, etc., and is applied by strips and radial ditch. (2) Orchard flood control: The low-lying cherry garden should be drained in time for rain and rain, and the soil permeability should be improved by cultivating loose soil.
â— Pest control focuses on brown spot disease, perforation, scale insects, big green leafhopper, and moth. It can be used to control brown spot disease, perforation disease by using Bordeaux liquid or methyl thiophanate or bactericidal acid plus agricultural streptomycin, and to control scale insects with tessin and chlorpyrifos. The big green leafhopper can be whitened through the trunk to avoid spawning, and the pyrethroid insecticide can be sprayed on the tree to kill the adult.
Three peach
â— The basic fertilizer of autumn application base is mainly organic fertilizer and supplemented by chemical fertilizer. It increases the application of bacterial fertilizer, supplements trace element fertilizer, increases the accumulation of nutrients in the tree, and improves the fruit set rate in the following year. The autumn fertilization was completed before the end of October, and the fertilization method was carried out by ditch application, and the ditch depth was 40 cm.
â— Clean up the orchard (1) In October, the peach fruit has been harvested. Clean up the rotten fruit and the dead fruit in the garden in time, cut off all kinds of pests and shoots on the tree, clean up the weeds, straws and sunflower poles in the garden and surrounding areas, and reduce the number of pests and diseases. (2) Autumn Garden. Around the whole garden and orchard, tebuconazole or difenoconazole and Jiawei salt clearing garden.
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