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给树保暖有用吗？

BY: @shengjian | CREATED: Dec. 26, 2018, 6:03 a.m. | VOTES: 24 | PAYOUT: $0.18 | [ VOTE ]

[IMAGE: https://cdn.steemitimages.com/DQmTZ9aEo54sYXnDESikRfbXqiUKLBhen3As5E7zFSro3n5/2018-12-26_134558.jpg]

今天看到公园里面的树被穿上了厚厚的“草衣”，据说是保暖防冻。

但实际有用吗？ 网上也查了，有人说没用，有人说有点用。

细想一下：
1，长期看，在周围空气温度很低的情况下，由于树干本身不产生热量，其温度会逐步降低至空气温度，导致无法保暖防冻；
2，如果是短期降温，加上一层草衣，可以延迟树干温度降低速率，有利于保温防冻。

不知能否这么理解。

TAGS: [ #cn ] [ #cn-curation ]

Replies

@cnbuddy | Dec. 26, 2018, 6:29 a.m. | Votes: 0 | [ VOTE ]

吃了吗？请支持中文区的见证人， @abit @bobdos @ety001 @justyy @oflyhigh @partiko （首字母顺序），全投，一个都不要漏。假如我的留言打扰到你，请回复“取消”。

@steem-ua | Dec. 27, 2018, 12:30 a.m. | Votes: 0 | [ VOTE ]

Hi @shengjian!

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