ELI5 Why can’t plants absorb nitrogen from the air? Submitted by Cool-Boy57 t3_yict21 on October 31, 2022 at 1:51 PM in explainlikeimfive 42 comments 94
PhysicsIsFun t1_iuj6a7g wrote on October 31, 2022 at 6:55 PM Alfalfa fixes nitrogen through bacterial action - nitrogen fixing bacteria. That's why crop rotation is done. It adds nitrogen to the soil and feeds the cattle. Permalink 1
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