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Nature episode: What Plants Talk About

Posts: 319
Location: Buffalo, NY
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Hello fellow permaculturists,

I really enjoyed a recent Nature episode: What Plants Talk About. It is probably information you would already know, but had a very alternative thesis to modern scientific thinking: Plants behaving like animals.

You can watch it online:

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Location: Okanogan Highlands, Washington
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Cool! It's a good intro-level presentation, but they also get very specific about certain plant interactions that are regionally pretty important.

I especially liked the part about lupine being a "protector" plant for other natives when knapweed threatens. They said the oxalic acid that lupines can release seems to counteract the knapweed's allelopathic poisons.

I wonder if mulching with plants containing oxalic acid would also help. For example, we have a lot of lamb's quarters that grow like weeds in the garden, and though they're edible and tasty in season, I've heard from friends that over-eating them isn't good because they contain oxalic acid. I might try chop-and-dropping them on top of any knapweed that shows its virulent little head around here.

Seeding out lupine in response sounds good too, of course.

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