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idrc.ca
gMdbX
TIL that rice farmers often put fish into their water-laden fields in a process called “rice-fish culture.” The fish act as pest control, improve oxygen circulation, and can even fertilize the soil with their droppings. This can increase the crop yield by 10% or more.
9m5Q
TIL that only 12 species of plants provide ¾ of the world’s food.