Tomato needs a large amount of fertilizer, and sufficient nutrients should be ensured in each period. However, there is a certain difference in fertilizer demand during each growth period. The early stage focuses on nitrogen fertilizer, and the later stage focuses on potash fertilizer. The demand for phosphate fertilizer is consistent with the growth period and is in the flower bud differentiation stage. It can be used to enhance the quality of pollen fertilization, promote the fruit development, no deformity, no empty shell, good uniformity, high quality and high fruit yield.
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There are two kinds of external fixations for pelvic fractures, namely temporary fixation and therapeutic fixation.
Temporary fixation depends on on-site assistance. Assuming that the patient has serious open injury, severe hemorrhagic shock, and serious fracture dislocation, the rescue personnel will provide temporary external fixation support to maintain the stability of the pelvis, reduce secondary injuries, and correct the continuous aggravation of hemorrhagic loss on the scene. The therapeutic external fixation stent is used to correct the dislocation of the fracture through routine examination after admission, evaluation of the injury, and external fixation installation through treatment, maintain the relative stability of the fracture, create a very quiet environment for the fracture healing, and lay the foundation for the healing of the fracture. External fixation is an important method for pelvic fractures.
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