As the age of the trees grows, some old orchards gradually have no production benefits, and such old orchards need to be transformed. Avoid repeating Heavy sputum will lead to a lot of serious diseases, fruit trees are not prosperous, etc., so the old orchard should clean the roots after removing the fruit trees, use the excavator to deepen the soil, turn the topsoil down, and the bottom soil will be turned up to improve the soil environment. In addition, two years of crops should be planted and small trees should be planted. You can find a piece of land to raise seedlings in advance, and then move the tree to the old orchard in two years. This not only solves the problem of repeated problems, but also solves the problem that the small tree does not stop. Selected fine varieties In the choice of varieties should be based on 2001 and Yanfu three mainly to make reasonable arrangements, these two varieties are not good or bad, should be planted, but 2001 planting management requirements are higher, the tree will not be prosperous will have the end of the fruit. Choosing the dwarf anvil from the root anvil and the Qiaohua should be selected according to the depth of the soil layer of the plot and the condition of the fertilizer and water: the roots of the soil and the dwarf anvil are used for the depth of the soil; the thin land and the hillside are used for Joe. Turn. Choose quality seedlings The selection of seedlings mainly depends on three points: 1 There are more lateral roots and fibrous roots, and the lateral roots should be evenly distributed, not too little or biased to one side. First and second seedlings should have more than 5 lateral roots, the root thickness should be more than 0.45 cm, and the length should be more than 20 cm. 2 saplings 1~1.2 meters, the trunk is round and not losing water, the section is green, soft and cool. 3 Marriage interface is firm and no pests and diseases, it is best to choose virus-free seedlings. Cultivation method Ridge cultivation should be carried out to increase soil porosity, avoid guilt caused by rainfall and watering, and facilitate root growth and nutrient absorption. From the root anvil and the intermediate dwarf rootstock 43 or 32, Qiaohua can be planted according to the plot 56 or 54. Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone
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