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气温太低树木需怎样做防冻措施

更新时间: 2020-09-14 00:00:00     

1、用棉布包裹树干能起着保温防冻的效果。

2、用石硫合剂刷涂树干能起着防冻、防虫害、防病害的作用,减少气温过低引起的冻害。

3、培高头部的土层能起着保温防冻害的作用。

4、覆盖地膜能起着保温土温达到防冻害的作用。

5、入冬前按量埋入钾肥可提高树木的抗寒能力,有利安全过冬。

关键词: 气温 树木 怎样 防冻 措施

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