Letter | Published:

Do Plants Assimilate Argon?


THE first thing is obviously to find whether there is any argon in a nitrogenous vegetable; and experiments are now nearly completed in my laboratory to see if nitrogen obtained from peas contains any argon. Similar experiments are being made with nitrogen from mice. In a few days I shall know the results. But this is, of course, on the assumption that the process which liberates nitrogen also liberates argon; and it is by no means certain. It should be remembered that argon and nitrogen have absolutely no similarity, and that their occurrence together in air is a pure accident, due to the inertness of both.

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