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原始链接: https://news.ycombinator.com/item?id=43402947

Hacker News 的讨论围绕一篇题为“学习爱蒲公英”的文章展开。用户 jihadjihad 建议阅读 Aldo Leopold 的文章“什么是杂草?”,这篇文章挑战了对农业有害的野生物种的全面否定,并建议关注预防杂草生长而不是仅仅控制它。另一位用户 WorkerBee28474 指出,蒲公英是旧金山湾区的一种入侵物种。CoopaTroopa补充说,普通蒲公英在美国各地都是入侵物种,是由早期定居者为了健康益处引入的。aaronblohowiak 则好奇它们是否属于非正式园林植物。johnea 认为,对蒲公英的轻蔑源于对草坪的痴迷,并指出草皮草也往往是入侵物种,并且资源密集型,尤其是在缺水的美国西部。他们批评美国标准草坪的概念已经过时且浪费资源。


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Learning to Love Dandelions (2021) (baynature.org)
7 points by some-guy 2 hours ago | hide | past | favorite | 5 comments










Reading essays by Aldo Leopold [0] really changed my perspective a bit. He has an essay from 1943 called "What Is a Weed?", and I don't think before reading it that it had been a question I'd ever contemplated.

He argues that it is a false premise "that every wild species occasionally harmful to agriculture is, by reason of that fact, to be blacklisted for general persecution [1]." He also argues that it's backwards to focus so much on weed control rather than weed prevention--many times weeds are the effect of some underlying cause (land misuse, etc.).

Anyway I really dig Leopold and his philosophy, if you've never heard of him give A Sand County Almanac a try.

0: https://en.wikipedia.org/wiki/Aldo_Leopold

1: https://books.google.com/books?id=-StPpe04gS8C&pg=PA306&lpg=...



Note that in the author's area (San Francisco Bay) dandelions are an invasive species.


iirc the Dandelions we know are are native to Eurasia and are considered invasive across the US. They were brought over by early settlers for their health benefits


i have heard they were a garden plant but i dont know if that was an informal "spread the seeds and harvest where they pop up" or more of a row crop kind of thing...


The whole disdane for this plant, is rooted in the lawn mania.

It should be noted that most sod grasses are also an invasive species in most places. And in the western US, where water is not as available as it is in South Carolina, sod lawns also require a lot of water from the Colorado River that could go to much better use.

They also, uinlike sod, don't require mowing since they don't grow to multiple feet in height if left unattended.

The US concept of a sod grass lawn as a standard home feature is another example of the US's arrested development in Happy Days.

Go mow the lawn Richie!!!







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