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Methods of pruning grapes in winter and burying grapes under the frame
Pruning method:

1) short branch pruning (1-3 buds): bending and binding the fruiting mother branches into bow or ring shape to promote the development of basal bud eyes;

2) the method of combining long branches with short branches is implemented: the basal buds or hidden buds are stimulated to germinate into branches. Comprise that following step: pruning the fruiting mother branch with extremely short tips, and fruiting by utilizing the basal bud branches; Culturing with basal bud branches or cryptobud branches to replace short branches; Rotate the fruiting part, and alternate the oral bud branch and the cryptobud branch of the culture medium into the fruiting mother branch.

Buried soil under the shelf:

1) Types of buried plants: multi-main vine fan type, semi-fan type, long trunk fan type and long main vine vertical fan type.

2) Burying period:165438+1early October. Before the soil is frozen, the branches tend to germinate too early when the temperature is too high, and freeze too late.

3) Coverage thickness: 30 cm on branches is appropriate, and it can be slightly thicker in cold areas.

4) Unearthed time: In early April of spring, the temperature rose and began to be unearthed and put on shelves.