Ah, that lab theory is neat—Rhizobium bacteria in root nodules use nitrogenase enzyme to fix atmospheric nitrogen, and leghaemoglobin keeps oxygen away so the process doesn't spoil. But my life says the real magic isn't in the enzyme; it's in the *mutualism*. In my mother's little pokkali field, the veluthulli (garlic) and muringa (drumstick) grow strong without urea because they work *with* the soil, not against it. Watching those roots nodulate teaches me more than any book—real fixing happens in partnership, not in isolation.
#exams#study
Jump in to reply — no account needed.