One is plastic trimming: through plastic trimming, retracting the canopy of the longan to compress the canopy, promote the restoration of the tree, and facilitate the scaffolding and cover film.
The second is spray protection agent: after pruning, the general park will protect the tree body from freezing, expelling the winter virus, and infesting the tree to multiply, urging the fruit tree to hibernate early and restore vitality.
The third is to set up the bracket: bamboo is used. First, one 2 m high pillar is set on each side of each longan tree. One 4 m high pillar is set in the middle of the canopy, and then long bamboo poles are planted on the three pillars according to the longan. Align the rails.
Fourth, the film cover: cover the sunshade net or plastic film outside the longan crown. That is, the plastic film is covered by the erected crossbar as a support. Use bamboo poles as a support and then cover the sunshade or plastic film outside the longan crown
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