The purpose of winter pruning is to adjust the relationship between tree growth and results on the basis of plastic surgery, so that the distribution of the branches and vines is uniform, the amount of fruit is moderate, and the result is prevented from moving outwards, and the tree body is renewed and rejuvenated, which promotes high quality, high yield and stable yield of grapes. purpose.
Winter pruning should pay attention to the problem:
(1) Thickness of the cut: When the thickness of the red twig is 0.8-1 cm, the flower buds are formed well, and the branches of the branches are too fine (below 0.6 cm) and overly thick (1.2 cm or more). Poor, so the thickness of the cut is 0.8-1 cm.
(2) Length of cut: The red twigs are loose and loose. After pruning, the water is easily lost from the cut, which often causes the lower part of the cut to dry or freeze. Therefore, it is best to cut at 3-4 cm above the bud.
(3) Accidental injury: During pruning, try to avoid artificially causing excessive accidental wounds, avoid damage to the tree body, and damage the main vine and reserve branches; when man-pressing, avoid artificial damage to the main vine, side vine and fruiting branch. .
(4) Storage seed strips: If seedlings are needed, the strips should be selected while trimming and timely (on the same day).
(5) Buried soil and cold protection: The pruning time should not be dragged too long to avoid the loss of nutrients in the branches. It should be trimmed at any time, pressed at any time, and buried at any time. It is advisable to bury the soil with mechanical burial, and the amount of burial should be large and thick.
(6) Watering winter irrigation: watering winter irrigation should be completed before the grape is trimmed, and the water should be poured through the winter irrigation.
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Disposable Laparoscopic Trocar
Disposable laparoscopic trocars are typically made of plastic or metal and are designed for single-use only. They are available in a range of sizes and shapes to accommodate different patient needs and surgical procedures. The trocar is typically inserted into the patient's abdomen using a technique called "blind insertion," which involves inserting the trocar through the skin without direct visualization of the underlying tissue.
The disposable nature of these trocars makes them a convenient and cost-effective option for many surgical procedures. They are also less likely to cause infections or other complications compared to reusable trocars, as they are sterile and do not require cleaning or sterilization between uses. However, it is important to follow proper disposal procedures to prevent contamination and ensure patient safety.
Disposable trocars are designed for single use, reducing the risk of infection and cross-contamination between patients. Trocars are usually made of plastic and come in a variety of sizes, depending on the size of the incision and the surgical instruments used.
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