Mango fertilization before harvesting is generally based on top dressing. In the 30 to 45 days before harvesting, it can be combined with spraying to cure diseases, and some foliar fertilizer containing high phosphorus and potassium is sprayed. In addition, spraying the fruit trees in the 60 days before harvest can inhibit the photorespiration consumption of the plants, increase the accumulation of photosynthetic products, and improve the quality and yield.
After mango picking fruit, fertilization can be carried out twice: the first fertilization is generally applied in August, with quick-acting fertilizer as the main purpose, the purpose is to restore the tree as soon as possible, and sprout the autumn shoot as soon as possible. Each tree is compounded with 0.5 to 1.0 kg of urea and 0.3 to 0.5 kg of urea. Drill the circular groove on the inside of the canopy drip line. In case of dry weather, water should be applied after fertilization. The second fertilization combined with deep-turning soil modification is generally carried out from mid-November to December, mainly based on farmyard manure, 20 to 30 kg of farmer's fertilizer per plant, 0.5 to 1 kg of compound fertilizer, and 0.3 to 0.5 kg of potassium fertilizer. Each plant adds 10 to 15 kilograms of fire mud, which can promote the heading and flowering of the tree.
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Pediatric series consists of elastic nail,correction plate,pediatric proximal femoral locking plate,LC-DCP locking plate,reconstruction locking plste,T locking plate.
The special manifestations of pediatric fracture
(1) In children, soft tissue is loose, fascia is elastic, swelling after fracture is early, wide range, and often plaque.
(2) Pay attention to subperiosteal fracture, longitudinal percussion pain and local tenderness to consider the possibility of fracture.
(3) Children can be fever, generally below 38 degrees, caused by hematoma absorption.
(4) Identify the ossification center and epiphyseal plate, and add normal side control if necessary.
Characteristics of pediatric fracture repair
(1) The fracture heals quickly, and the younger the age, the faster the healing.
(2) The healing time of fracture is related to fracture site, fracture type, treatment method and individual situation.
(3) Joint stiffness occurred less.
(4) Have a certain shaping ability, the younger the age, the stronger the shaping ability, but the rotation deformity, the angular deformity inconsistent with the joint activity is more difficult to shape itself.
(5) Metaphyseal and shaft fractures due to hyperemia stimulate epiphyseal plate overgrowth, can cause temporary acceleration of limb growth, femur bone.It can overgrow by 0.8-2cm.
Principles of fracture treatment
The first is reduction, fixation, functional exercise. The principle is no longer to damage the epiphysis and epiphysis plate causing growth and development disorders. Manual reduction, plaster fixation, traction. Closed reduction and internal fixation. Open reduction, internal fixation (elastic needles, Kirschner needles, absorbable nails, absorption rods, various steel plates, external fixation brackets, hollow screws, etc.).
bone fracture,fracture surgery,internal fixation,internal fixation of fracture
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