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对3—4级以上重冻柑桔树,在树干死活界限分明时及早于该界限下2cm 左右处截干更新树冠,并对伤口及时消毒,再用新鲜牛粪黄泥浆或牛皮纸保护伤口,可有效地保护树干,以利复壮树冠.
For citrus trees above grade 3-4, the trunk of the tree should be truncated and freshly cut at about 2cm before and after the deadline of the tree trunk is clear and limited, and the wounds should be promptly disinfected. The wounds should be protected by fresh cow dung yellow mud or kraft paper Effectively protect the trunk to facilitate rejuvenation of the crown.