• lud
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    6 months ago

    I think you have the nitrogen thing backwards

    That’s very likely. Whatever they do with nitrogen is apparently a problem because we like the plants that are supposed to be their and not the plants that like nitrogen soil.

    Here is what the Swedish Environmental Protection Agency has to say about it (translated using Google translate because I’m lazy)

    In the long term, the flower lupine can affect the vegetation where it has established itself due to its ability to bind nitrogen and thereby fertilize the soil. In the naturally lean soils in which it usually grows, the addition of nitrogen can, for example, cause meadow flowers, which are often particularly worthy of protection, to be replaced by more nitrogen-adapted plants.

    I don’t know much about plants. All I know is that I must kill lupines.

    Yeah the Iceland thing was intentional. The article I linked explains it further.

    • fireweed@lemmy.world
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      6 months ago

      Oh, that makes a lot of sense! They make the soil too fertile, which allows plants that normally shouldn’t be able to live there to be successful and push out the poor-soil-adapted native species. It’s like irrigating a desert: all the drought-tolerant natives will get out-competed by water-loving plants.