Summer cherry tomato cultivation technique
1. Cultivation season: seedlings can be planted from mid-June to mid-July, and planted in greenhouses from mid-July to mid-August, and harvesting begins in early October.
2. Seeding and seedling: Before planting, the seedling bed should be properly watered, and after sowing, cover 1 cm thick sieved soil. Generally, 3 to 5 grams of seedlings per square meter are used, and a planting area of ​​6 to 8 square meters per acre is required. The ground moisture of the seedling bed before emergence should be controlled at 20 ° C during the day and 12 ° C to 15 ° C at night. When the seedlings grow 2 true leaves, the seedlings are divided into evening or cloudy days, and the row spacing is about 10 cm and 10 cm. Irrigation after planting, and the temperature is controlled at 25 ° C ~ 28 ° C during the day, 15 ° C ~ 18 ° C at night. The temperature after the slow seedling is controlled at 20 ° C ~ 25 ° C during the day, 13 ° C ~ 15 ° C at night. In summer, due to high temperatures, water should be watered frequently. When the seedlings grow to 8 leaves, they are colonized.
3. Colonization: Select sandy loam with deep soil layer, fertile soil, good ventilation, convenient drainage, neutral pH or slightly acidic for colonization. 7 to 10 days before planting, the plant spacing of single-stalk pruning is 25-30 cm, and the spacing of double-stalk pruning is 45-50 cm. 80-100 kg of quicklime, 2000 kg of decomposed organic fertilizer, 80 kg of cake fertilizer, 30 kg of superphosphate and 40 kg of compound fertilizer per acre. Among them, the cake fertilizer and 60% organic compost are sprinkled into the soil before the last land preparation, and the remaining mixture is fully mixed and then applied to the colonization hole.
4. Field management: After the first spike flower is placed, a large amount of water is poured. After the result, the water is poured every 5 to 6 days, and the soil is required to see dry and wet, and the watering period is reduced to prevent cracking. After slowing the seedlings and before flowering, apply 10 to 15 kilograms of quick-acting compound fertilizer per acre. After the first ear fruits are hung, they will be chased once again to preserve the fruit fertilizer. After the combination of fruit harvesting, the topdressing fertilizer will be supplemented 2 to 3 times. The fertilizer for the cherry tomato in the fruiting period should be applied with manure or special compound fertilizer, and the general compound fertilizer for acre is about 10 kg. At the peak of the season, 0.3% potassium dihydrogen phosphate can be sprayed on the foliage.
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External fixation of the lower limb is a treatment used to fix a fracture or dislocation of the lower limb.The functions of these external fixation methods are mainly as follows.
1. Stabilize a fracture or joint dislocation.External fixators can fix the bone or joint in the correct position to prevent further displacement or dislocation,thereby promoting the healing of the fracture or joint dislocation.
2. Pain relief,external fixators can reduce pain and discomfort by fixing and supporting fractures or joint dislocations.
3. Promote fracture healing,external fixator can provide a stable environment,promote fracture healing and bone tissue regeneration.
4. Protect surrounding tissues.External fixators can protect surrounding soft tissues (such as muscles,tendons and blood vessels) from further damage and reduce the occurrence of complications.
In general,the classification and function of lower limb external fixation is mainly to stabilize and protect fractures or joint dislocation,promote healing and restore function.The specific treatment should be selected according to the patient's condition and the doctor's advice.
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