Uhm… since 1 hectare yelds 2700 kgs of rice, 40.5 square meters are enough to feed one person: not a lot!
I used a very cautious estimate: in some countries it's possible to have 10-12 tons per hectare.
But my calculation was wrong 👿
10 tons (10000 kgs) per hectare (10000 m²) are 1 kg/m², so this makes 150 square meters for a good crop and 600 square meters for a poor crop.
Anyway still not a lot.
@neauoire this is significantly more rice than I eat! Fascinating to contemplate how different my diet would be...
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