Yang Mei's Winter Breeding Management Points
The cultivation and management of winter is one of the important links in the spring, summer and winter seasons of Yangmei's management. Is it managed? Will directly affect its production, quality and economic benefits next year. The main points are briefly described below for reference by all fruit growers. 1. Dormant Pruning (Pruning in Winter) From November to December of each year, the diseased branches, branches, leaves, dead branches, branches, weak branches, and drag branches of the red bayberry tree are cut off, and the remaining branches are promoted. May cut less! After pruning, it should be cleaned up in time to reduce the winter overwintering eggs. Second, base fertilizer (fertilizer in winter) In November of each year, apply organic fertilizer and boron fertilizer. The normal results of Yangmei adult tree, each tree: organic fertilizer - Caipai: 4 ~ 6 Jin (note that termites); plant ash: 50 ~ 60 Jin (to prevent fire). Boron fertilizer - borax: 50 ~ 100 grams. Yang Meishu should be promoted to apply fertilizer in winter. Third, soil (in addition to soil in winter) Every year from 11 to 12 months, under the canopy, add the guest soil. The best soil is the yellow muddy soil beneath the elk. Before adding the soil, pay attention to the fallen branches and fallen leaves under the canopy, and clean them in advance or spray the lime mixture and then add the soil. 4. Prevention and control of diseases and insect pests (Clear Garden) From November to December of each year, clearing the gardens of Yangmei Garden should be carried out to prevent the occurrence of large numbers of diseases and insect pests in the following year, especially serious trees such as brown spot, cancer, cerebrozoa, and scale insects. Prune and clean the garden. Clear garden agent is: lime sulfur mixture; concentration: Baume 3 to 5 degrees spray trunk and leaves the front and back. The frequency of spraying should be 1 to 3 times per year according to its severity. 5. Preparation and Use of Lime-Sulfur Mixture Lime-sulfur mixture is a highly efficient, low-toxicity, low-residue green pesticide. The control of winter diseases and insect pests in Yangmeiyuan by winter spraying is of great significance. Lime sulfur is an ancient inorganic acaricidal and bactericidal agent. The active ingredient is polysulfide, the liquid is red-brown, smelly and strong alkaline. The active ingredient in the stock solution is related to the specific gravity and the specific gravity is higher than that of the original stock solution. The concentration of raw materials with high quality can reach 28 degrees above Baume. The stock solution is easily decomposed after contact with diluent and air. It is formulated with 2 parts of sulfur powder, 1 part of lime and 10 parts of water. Heat the water first with an iron pan, add the sulphur paste made with warm water, stir and continue heating, and then gradually add the massive quicklime to continue stirring. The fire must be fierce, keep boiling, and cook while stirring. Cook for about 40-50 minutes. During the cooking process, the evaporated water should be continuously replenished with hot water to maintain the original amount of water. When the liquid turns yellow to soy sauce (dark brown), the fire stops and the residue is filtered off. In order to ensure the quality of the liquid, lime should be used in the form of blocky, white, and unabsorbed quicklime. Sulfur powder should be fine. When brewing, put sulfur first and add lime. Do not use iron, copper, aluminum and other metal containers when storing stock solution. It is better to use pottery and add a layer of oil (fat oil, diesel oil and kerosene can be used) to isolate the air. Diluent should be used with it.