You are not logged in. However you can subscribe from another Fediverse account, for example Lemmy or Mastodon. To do this, paste the following into the search field of your instance: [email protected]
Rules:
Be civil and nice.
Try not to excessively repost, as a rule of thumb, wait at least 2 months to do it if you have to.
Nails have iron, try eating one of those! The air is mostly Nitrogen, why do plants even need N2 in the soil?
It’s basic fucking science that nutrients take different forms which can be absorbed differently.
Again: where do you think the cows get it, lol. Not from nails.