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We planted these green beans where our onions grew last spring. These legume crops fix nitrogen from the air with the help of rhizobia bacteria. So, what the heck does that mean?
What does "fix nitrogen" mean?
When we say green beans “fix” nitrogen, it just means they team up with friendly bacteria on their roots to turn nitrogen from the air into natural plant food. It’s their way of feeding themselves — and enriching the soil for the next crop. 🌿 Legumes & Their Little Root Helpers 🌿
Green beans are part of the legume family, which means they team up with tiny bacteria called rhizobia. These friendly microbes attach to the roots and form little nodules, where they turn nitrogen from the air into plant food.
The plant feeds the bacteria, and the bacteria feed the plant — a perfect farm‑fresh partnership 🤝💚
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