Here’s a nitrogen cycle diagram. It’s not dissimilar to things like the water cycle or food chain cycle.
Practically speaking, you want to occasionally plant nitrogen fixing plants in your garden, as other plants will remove it from the soil. Lots of people will put tons of fertilizer into their garden, and that seeks to achieve similar goals.
The sky is full of nitrogen, some of them can grab it from there and others take it from the ground. I’m not a plant scientist, so I don’t really know all the details
Here’s a nitrogen cycle diagram. It’s not dissimilar to things like the water cycle or food chain cycle.
Practically speaking, you want to occasionally plant nitrogen fixing plants in your garden, as other plants will remove it from the soil. Lots of people will put tons of fertilizer into their garden, and that seeks to achieve similar goals.
The sky is full of nitrogen, some of them can grab it from there and others take it from the ground. I’m not a plant scientist, so I don’t really know all the details
The pea family is notorious for this, this is part of why I throw clover all over anytime I turn dirt in the yard