You can grow nitrogen fixating plants as fertilizer. It’s called green manure and it’s used in some niche cases. The problem is that you often have to grow as large of an area with the green manure crop as you need for the actual crop so suddenly this strategy requires you to use double the land for the same yield. This is not the answer to the fertilizer crisis.
You can grow nitrogen fixating plants as fertilizer. It’s called green manure and it’s used in some niche cases. The problem is that you often have to grow as large of an area with the green manure crop as you need for the actual crop so suddenly this strategy requires you to use double the land for the same yield. This is not the answer to the fertilizer crisis.