"Grown for centuries by indigenous farmers in rural Mexico, this incredibly rare corn can self-fertilise. In episode three of 'Planet Fix', we explore how this wonder crop could help tackle world hunger, and even end farming's toxic reliance on chemical fertilisers for good!"
In the video it said something about modulating the amount of nitrogen fixation based on the plant's needs. Could mean that it's able to scale it up if its needs are higher, but I imagine this is part of the breeding work they're doing.
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"Grown for centuries by indigenous farmers in rural Mexico, this incredibly rare corn can self-fertilise. In episode three of 'Planet Fix', we explore how this wonder crop could help tackle world hunger, and even end farming's toxic reliance on chemical fertilisers for good!"
What does self fertilization have to do with ending farming's toxic reliance on chemical fertilizers?
In this case "self fertilization" refers to fixing nitrogen, not "fertilizing" in the sense of reproduction.
Knowing exactly how much nitrogen they can fix is important. It's unlikely to be enough to take care of the nitrogen requirements of high yield corn.
In the video it said something about modulating the amount of nitrogen fixation based on the plant's needs. Could mean that it's able to scale it up if its needs are higher, but I imagine this is part of the breeding work they're doing.