How to transplant Dangshan pear trees with high survival rate

Key points of pear tree transplanting technology: transplanting about half a month before germination in spring (mid-March); Dig a tree hole (one meter square) in advance; Re-pruning the tree (the amount of branches left is1/3); Leave as many roots as possible; Water immediately after planting, and then water every 7- 10 day; There is no need to fertilize in the tree hole when transplanting (fertilization will be carried out after transplanting survives); After transplantation, it was fixed with a stent to prevent tilting.