Expand soil and improve soil to improve medicinal soil fertility Medicinal orchards are mostly in the red soil hills, soil acid thin and dry knots, although the establishment of the garden when the planting of small holes has been partially improved soil, but with the expansion of the crown, the roots expand, if not expand the hole in time To change the soil, medical fruit trees will become "standing trees," "potted trees," and "small old trees." Therefore, it is necessary to deepen and expand the soil to improve soil structure and improve soil fertility. The method of expanding the hole and expanding the soil to expand the hole is to excavate a short ditch or trench under the edge of the canopy drip, and the width and depth of the ditch are both 40-80 cm. The method of soil improvement is to fill green, blue, wild grass and rice straw in 3 to 4 layers in the ditch, together with manure, compost, cake fertilizer, pig cattle manure, lime, phosphate fertilizer, etc. Rod, a layer of soil, mixed evenly. It is also an effective measure to improve the soil by picking up soil. It can thicken the soil layer, prevent soil erosion, increase soil nutrients, increase soil temperature in the root distribution layer, and protect the roots from cold. Most of the cultivated land is made from local soil. For red soil medicine gardens, where the soil is more viscous, suitable for turfgrass soil, silt, garbage, old wall soil, compost, etc., for the alluvial soil medicine garden along the river, the soil sand is heavy. , Yipeang mud, old wall soil, vegetable garden soil, straw soil, manure and so on. Follow-up application of winter fertilizer to improve the nutritional level of tree rhizosphere top dressing This winter fertilizer is called warm fertilizer for young medicinal fruit trees, and the result tree is also called fruit fertilizer, which is beneficial to restore the tree vigor as soon as possible, increase nutrient accumulation, and promote flower bud differentiation. And enhance the ability of the tree to resist cold. Fertilization time is generally from mid-November to mid-December. Early application of winter fertilizer, often turning the peel back to green, the fruit will delay maturity; late into the soil, the soil temperature is low to below 10 °C, the root absorption weakened, nutrients can not be timely replenishment, will affect the tree potential recovery. This fertilization is mainly based on human and animal manure and urine water. Appropriate application of quick-acting urea and compound fertilizer will make up 30% to 40% of the annual topdressing amount. A reasonable ratio of ammonia, phosphorus and potassium is 1:0.5-0.6:0.8-1. The fertilizer is applied outside the roots by spraying an aqueous solution of fertilizer onto the canopy, and by the movement of moisture, the pores from the leaves and shoots enter the interior of the tree. All kinds of macronutrients and trace element fertilizers can be used as top-dressing fertilizers, especially for the control of trace elements deficiency in medicinal fruit trees. The concentration of topdressing fertilizers outside the roots was: urea 0.3% to 0.5%; potassium dihydrogen phosphate 0.4% to 0.5%; zinc sulfate 0.1% to 0.2%; borax or boric acid 0.1% to 0.2%; superphosphate leaching solution 1%; plant ash leaching solution 2% to 3%. The dressing time outside the roots is from November to the next 2 years, 1 or 2 times a month. In winter, the comprehensive prevention and control of diseases and insect pests in the clearing garden in winter and winter should be cut off the branches and leaves of diseases and insects, remove stiff fruits and insects, remove dead litter on the ground, eradicate the weeds in and around the park, and then centrally burn and destroy the above-mentioned scavenging materials. Reduce the incidence of pests the following year. After spraying the fruit, the canopy was sprayed with 10 to 12 times solution of pineine mixture, and after 1⁄2 month, it was supplemented with 1 to 1.2 Baume degrees of lime sulfur. The underground mining pharmacy will infest pests and eggs over the winter and disinfect lime in time. Scraping scrapes of skin, lesions, and attached larvae, cockroaches, eggs, blocking the holes caused by Tengu, Giardinus, and Blastococcus. The trunk was then brushed white, and the white paint was formulated with 1 kg of lime plus 0.5 kg of lime sulfur or sulfur, 0.2 kg of salt, 0.1 kg of vegetable oil, and 5 kg of water. Through careful prevention and control of diseases and insect pests that harm the leaves, branches and stems of medicinal fruit trees, such as resinous diseases, anthrax, foot rot, and red, yellow spiders, long-horned cows, rusties, and giardia, the tree is used to make nutritious organs. - The leaves and branches are robust to enhance cold resistance. Preventing cold and freezing to ensure safe wintering. Branches in the middle of December. In the first to third years, three bamboo sticks are inserted around the saplings of 1 to 3 years, and the surrounding straw is opened to the south. For the 4 to 8 year old trees, the canopy is larger and can be used. The grass ropes tighten the branches and cause the microclimate conditions to form within the canopy and freeze the snow. Soil cover from the end of November to mid-December, after a period of cold-resistant exercise in the tree, the implementation of earthworms, cultivated to the main branches of the first layer, about 30 ~ 40cm, stacked into a bread-shaped. Note that earth should be borrowed from the outside or outside of the garden with the earth and soil. At the same time, straw, straw, weeds, leaves, green manure, or plastic films are covered on the surface of the medicinal or medicinal fruit tree trays to reduce radiation and radiation on the ground. The canopy beds and young herb garden canopies can also cover rice straws and films. Spraying steam-proof and heat-keeping agent and steam-inhibiting heat-insulating agent can be selected from 6501 produced by Wuhan Pesticide Plant No. 2 and Changfeng No. 3 developed by Shanghai Academy of Agricultural Sciences Crops, alcohol-type steam suppressant produced by China Meteorological Institute and produced by Changsha Petroleum Factory. Petroleum inhibitors. Spraying before freezing, with a concentration of 2% to 3%, and supplemented by spraying for about 20 days, can form a layer of membranous material on the leaves of medicinal fruit trees, which significantly reduces leaf dehydration and post-frozen defoliation. Pre-frozen irrigation timely attention to weather forecast, irrigation 6 to 10 days before freezing, water should be sufficient, and to be thoroughly irrigated. If there is no irrigation facility, water can be used for irrigation, depending on the size of the crown, 1 barrel or 1 lb. According to the weather forecast, when the temperature of the pharmacy may fall to the extreme temperature that can be tolerated by medicinal fruits, evenly distribute smoke piles in the pharmacy, with 4 to 6 piles per acre, and about 20 to 25 kg of firewood per pile. Combustion of smoke, such as dead leaves, weeds, straw, straw, sawdust, chaff, asphalt, oil dregs, linoleum, etc., can be used. The extinguishing time is after the sunrise the next day. Falling snow, snow, snow, and snow fall on branches and leaves. When ice and snow melt, absorbing heat can cause frostbite and falling leaves. When snow and ice are frozen, they should be shaken off at any time, and the ice and snow should be promptly removed from the tree tray or outside the medicine garden. Before and after noon, the borneol on the leaves is easy to shake off and it is not allowed to injure the leaves. Drainage drainage excludes alums that have a lot of dark stains in winter. If you don't pay attention to drainage, the pharmacy will suffer from deep pricking, which will affect the deep roots of the roots. The growth will be debilitated, the cold resistance will be poor, and it will be vulnerable to freezing. Therefore, the medicine garden should have a good sulcus, gutters, and furrows, so that they can communicate with each other and communicate with rivers and canals, so as to make it possible to stop the park from collecting water and water, and the surface of the garden is not clear. There are no dark spots in the layer. Once the pharmacy is harmed, it is necessary to open trenches to eliminate waterlogging and reduce the water table. At the same time, cultivating loose soil in the middle of the crop, sowing roots in the eucalyptus, adding fertilizer to the roots, cutting off dead trees and other measures, so as to restore the tree vigor as soon as possible.

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