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雪松移栽季节和移植准备

作者: 南京雪松价格 浏览次数: 时间:2018-10-06 08:41
  雪松在什么情况下才能认为移植的苗木已经成活。下面南京雪松价格最好的苗圃来告诉你。
  大多数雪松苗木是在春季移植。阔叶树幼苗可在冬季移植、假植或在冷藏室里贮藏。在冷藏时要把枝梢剪掉10—25厘米,并且剪短根系,其目的是为了保持有利的根茎比例关系。通过剪根还能促进雪松不定根的形成。要防止雪松苗根与空气直接接触,否则从土壤中起出的苗根能够很快变干并难于恢复。移植后在较粗的根系上再形成新根是困难的。当雪松苗木形成新根的时候,才能认为移植的苗木已经成活。
  提早修根是比较有利的。因为经过修剪的根系到移植时伤口已经愈合。在冷藏室里贮藏的苗木剪根之后必须放入装有湿泥炭的箱子里,否则伤口易受真菌侵染。如果冷藏室贮存的苗木在移植前才进行修剪时,必须经24小时的水浸处理,以补充苗木在贮藏期间所失去的水分,在晚期移植时,应特别注意这一点。在比较小雪松的苗圃里也不再用植苗锄和楔形锹进行移植了。机械化程度最低的苗圃是使用单行的开沟圆盘。在粘重土壤上和进行大苗移植时才必须使用移植锹。
  Under what circumstances can cedar be considered that the transplanted seedlings have survived? Here is the best price nursery of cedar in Nanjing to tell you.
  Most cedar seedlings are transplanted in spring. Seedlings of broad leaved trees can be transplanted, planted or stored in refrigerated chambers in winter. When refrigerated, the shoots should be cut off by 10-25 cm and the roots should be cut short in order to maintain a favorable rhizome ratio. Cutting roots can also promote the formation of adventitious roots of cedar. The roots of cedar seedlings should be prevented from direct contact with air, otherwise the roots from the soil will soon become dry and difficult to recover. It is difficult to form new roots on the thicker roots after transplantation. When cedar seedlings form new roots, the transplanted seedlings can survive.
  It is more advantageous to repair roots earlier. Because the pruned roots have been healed when transplanted. Seedlings stored in refrigerated rooms must be put in boxes filled with wet peat after cutting their roots, otherwise the wounds are susceptible to fungal infection. If the seedlings stored in the freezer are pruned before transplanting, they must be treated by 24 hours of water immersion to replenish the water lost during storage, which should be paid special attention to in late transplanting. In a small cedar nursery, no longer planted with a seedling hoe and a wedge spade. The lowest mechanized nursery is single row trenching discs. Transplanting spades must be used in heavy soil and large seedling transplants.
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