Earthworms In the winter, in combination with cultivators and clear trenches, earthworms are planted on the roots of the plants to obtain relatively dry soil (40 to 60 cm in height). This will increase the depth of the root system, and reduce or avoid damage caused by low temperature and freezing damage to the root system. . Trunk white Brush the white trunks and use the white light to reflect the light, reduce the temperature difference between the day and night of the tree, avoid frostbite. Whitening agent formula for whitening: lime 1.5 kg, salt 0.2 kg, sulfur powder 0.3 kg, a little grease (the role is to avoid rain), 5 kg of water, can be mixed into a paste solution. Covering bales Straw straw, thatched straw, etc. are covered in the rows of herbal plants. Herbal seedlings should be covered with a layer of grass ash, and then protected by plastic film sheds. For seedlings of woody herbs, the entire tree can be bundled with rice straw or wheat straw, and the soil is compacted and pressed at the trunk near the ground. Wet smoke Wed grasses, leaves, sawdust, and husks are piled up in the upwind position of the medicinal field on a night of frost or early morning, and are lit. Generally, 8 to 10 cigarettes should be discharged per acre. Smoke stacks must be ignited when the outside temperature is 1°C~2°C lower than the temperature of the crop victim, and smoke should be stopped when the temperature rises above the crop damage temperature. Reuse wax Before the soil is frozen, 1500-2000 kg of soil miscellaneous fertilizer is applied between the rows of herbal plants per acre. Food Additives,Natural Food Additives,Food Additive Saccharin,Popular Food Additives SHANDONG BAISHENG BIOTECHNOLOGY COM , https://www.baishengbioproducts.com
In winter, the temperature is low, and many wintering medicinal plants will be affected by freezing damage. Failure to take relevant measures in time will affect the growth and yield of the following year. Here are a few simple ways to freeze medicines.