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 antifreeze methods for medicinal herbs as follows:
Cultivated earthworms are used in combination with cultivators and clear trenches in the winter to cultivate earthworms, that is, in the roots of the plants, a relatively dry soil (40-60 cm in height of the tree clams) is cultivated, so that the depth of the root system is correspondingly increased, so that the low temperature and freezing damage can be reduced or avoided. Root damage.
The trunk of the tree brush uses the white light to reflect the light, brush the white trunk, reduce the temperature difference between the day and night of the tree, and avoid frostbite. The white paint formulation for whitening is: 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 the straw with straw, thatch and other straw covering the rows of herbal plants, can not only maintain the ground temperature is relatively stable, but also can avoid cold wind directly invade the plant roots. For the antifreeze of herbaceous herbaceous seedlings, a layer of vegetation ash shall be covered first and then protected by a plastic film shed. For antifreeze of woody seedlings, straw or wheat straw can be used to bundle the entire tree, and the earth is placed near the ground and compacted.
Wet objects are smoked on the frosty night or early morning, wet weeds, leaves, sawdust, and husks are stacked in the upwind position of the medicine field and ignited. The smoke formed after the cigarette is ignited can ease the reduction of the temperature and have a significant effect on the antifreeze. In general, 8-10 cigarettes should be burned per acre. It should be noted that the smoke stack must be ignited when the ambient temperature is 1-2°C lower than the temperature of the victim's crop, and smoking stops when the temperature rises above the victim's temperature.
Re-application of wax fertilizer in the soil before freezing, per acre Shi 1500-2000 kilograms of soil miscellaneous fertilizer in the medicinal plant rows. This can not only improve the temperature, antifreeze and warmth, but also play a role in winter fertilizer, improve soil fertility and so on.
Many improper technical actions in sports are easy to cause knee joint injury. The fitting function of knee pad makes the knee joint stable during the movement, and wraps the lower end of quadriceps femoris, limiting the knee joint over-extension; The opening knee pad has a stronger restrictive effect, which greatly reduces the range of knee flexion and extension. Its good compression effect can effectively disperse the pressure on the knee and reduce the risk of sports injury.
Knee pads have a certain thickness and elasticity, which can buffer the impact force when colliding with hard objects during movement, and protect the knee joint.
Especially when exercising in cold weather, the lack of muscle contraction on the knee produces heat and is easy to catch cold. Knee joint cooling is related to many diseases including arthritis. Knee pads can effectively keep warm and prevent the knee joint from getting cold.
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