Variety selection Viola is cold-tolerant vegetables, hi cool climate, seed germination suitable temperature is 20 ~ 25 °C, suitable for spring and autumn planting, autumn sowing yield is higher. Optional local leaves such as leeks and leeks, as well as other newly-selected varieties such as Beijing No. 1 can also be used. Soil fertilization requirements for soil-fermented leeks are not strict. For example, loose fertile loam or clay loam is better. Before planting, 15 cm deep plowing, 50 kg of high-quality compound fertilizer with high nitrogen per acre, and appropriate amount of manure and other organic fertilizers as basal fertilizers. The whole thing is smooth, and it can be sown. Timely planting sowing in autumn from early August to late September, sowing seeds at 2～7°C for 7-10 days before sowing, breaking dormancy before planting, 1.5～2.5kg per mu, using 2～3 times The fine soil is mixed evenly, spread, and then use the down-to-earth. After sowing in field management, it is necessary to diligently pour small water and keep the soil moist. Generally, the seedlings can emerge in one week. When the leek grows to two true leaves, it takes time to seedlings and weeds, and acres of topdressing urea range from 5 to 10 kilograms. When the leeks 3 leaves 1 heart to 4 leaves 1 heart, the seedlings need to be again, so that the spacing between the plants reaches 7 to 10 cm. During the entire growth period, the soil should be kept dry and wet, and the harvest should be combined with manual weeding. Fertilizer should be topdressed again 7 to 10 days before harvest. If sowing is too late, it is necessary to control the watering before winter to facilitate winter. Pest control Amaranth mainly downy mildew disease hazards, generally easy to fall and rainy days, pay attention to drainage and flood control, and use 75% "Frost" 800 times liquid or 70% "Fork" 800 times liquid control. Insect pests are mainly locusts, and it is also a way to spread diseases. It is necessary to vigorously control the available "comet" or 10% "on the net."
Upper limb locking plate system consists of ulna radius locking plates,humerus locking plates,clavicle locking plates,scapula locking plates,locking screw and cortical screw.
The locking plate also has locking or non-locking screw holes for different trauma screws.In the internal fixation of the upper limb, four locking screws are generally used, which are mainly divided into 2.7mm and 3.5mm diameter.
olecranon plate,humerus fracture,volar distal radius plate,clavicle fracture
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