Tests on cabbage plants suggest fertilisers derived from human urine and faeces are safe and could help bring down food prices.
Fertilisers derived from recycled human urine and faeces are just as safe and effective as conventional ones, according to tests on cabbage plants. Using human waste in this way could help alleviate the fertiliser shortage that is contributing to rising food prices – if people can be convinced to use them. Read more in New Scientist.