Jan 14th 2014, 21:40, by Sarah Zhang
Among the things I found mortifying about my parents when I was a teenager was their habit of leaving buckets of pee in the bathroom. Instead of flushing all that phosphorous- and nitrogen-rich urine down the toilet, they saved it for our backyard vegetable garden. Pee as fertilizer has since—contrary to everything my teenage self wanted to believe—become a hip idea among some eco-minded backyard farmers.
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