First, winter shear: If the fruit farmers who have not been trimmed in winter, according to their own garden and manpower situation, timely arrangements for pruning. Before pruning, you must find out the problems in the orchard's plastic trimming. You must work hard in the direction of producing high-grade fruit. Plastic trimming should be based on specific planting density, tree shape, tree age, tree potential and results. For some closed and unreasonable orchards, we must make up our minds to reform, and we must resolutely "kill" those who only eat and do not work. And disrupt the "bad guys" produced by others. There are many experiences and lessons in this regard. Fruit farmers must know clearly and do what they do. When pruning fruit trees, be sure to deal with the wounds. When sawing the branches, the slashes should be flat. Do not leave piles. To prevent splitting, remove the surface with a sharp knife and remove the wound with a diameter of 1 cm or more. Upper protective agent.
If you need to change the variety of fruit farmers, you should mark the trees that need to be changed in advance, and you don't have to pruning them. After the spring of the next year, you will be grafted one-time, and you can change them. Linyi Fertilizer Network Copyright
Second, scraping the skin: combined with the clear garden, scraping off the rough skin, skin, skin, etc., destroying the overwintering sites of red spiders, leaf moth pests and rot pathogens in the bark gap, to achieve the purpose of eliminating pests. Combined with winter shears, carefully examine the stem diseases and mark them for later prevention and control. Linyi Fertilizer Network Copyright
Third, dry: Most parts of northern China are cold in winter, and the trees are vulnerable to sunburn. After the trunk is white, the heat of direct sunlight can be refracted, and the temperature of the tree is stable. It can reduce the damage of sunburn, frost damage and night frost, and can kill winter pests and germs in the bark. Therefore, it should be painted white before the soil is frozen after the leaves of the fruit trees are frozen. The white part is mainly trunk, the young tree, the incomplete tree crown, the south side of the disease tree trunk and the tree fork should be repainted. Do not paint the whole tree to avoid burning buds. Linyi Fertilizer Network Copyright
4. Qingyuan: The leaves and weeds of the orchard are ideal for wintering of brown spot, gray spot, pear black spot, grape brown spot, white rot, peach brown rot and other pathogens. Sites, therefore, should be carefully cleaned and burned intensively to eliminate winter pests and diseases. In addition, it is necessary to combine the winter shears, cut off the insects, insect nests, and insect tips formed by the pear tumor moth and the apple leaf roller moth, and bring out the orchard to burn. It is more difficult to plant grass orchards, and it should be combined with spring spray to remove the spray on the ground weed leaves. Linyi Fertilizer Network Copyright
V. Fertilization: In the orchard where no base fertilizer is applied in autumn, according to the yield and tree potential, combined with the deep winter, the organic fertilizer is applied. The base fertilizer is generally applied with 5,000 kg of high-quality farmyard manure in acre, and a certain amount of urea, superphosphate or diammonium is applied, which is easy to obtain good results of strong trees, high yield and high quality. Organic fertilizers should be applied early, in irrigated areas, orchards that have not been fertilized in autumn, and the base fertilizer should be combined with winter water. Linyi Fertilizer Network Copyright
6. Deep turning: For the orchard without autumn turn, concentrated labor should be concentrated. After the clearing of the garden, combined with fertilization, deep turning or ploughing, turning pests, eggs, mites, mites and germs to the ground to die, or Eaten by natural enemies, or turned into the soil so that it can not be harmed in the following year. In the arid orchard, the soil conservation in the late autumn or early winter will be carried out, and the soil layer will be finely ground in time. The distribution layer of the root system can be deepened to improve the water retention capacity and water absorption capacity of the soil. In the early stage of soil thawing, the surface should be thawed in time. The soil layer is light and sloppy, and then it is suppressed to improve the soil's ability to protect the soil. Linyi Fertilizer Network Copyright
VII. Spraying: After the fruit tree is cut in the winter, before the spring germination, the whole garden should spray the 3-5 wave of stone sulfur mixture once and thoughtfully, so that the tree body is washed to kill the residue. Pests in the shelter of the tree. It can prevent diseases such as rot and redness. Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
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