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Plants need nutrients, but how to make farming sustainable?

By going to the toilet… Human urine is the most nutrient-rich part of wastewater, accounting for 80% of its nitrogen and 50% of its phosphorus.

Exactly the two things that plants need.

Now, a team of agricultural scientists has succeeded in converting the nutrients from human urine into solid fertilizer. Water from urine is evaporated, and can be collected and reused for flushing.

A small box attached to the toilet complete with electric dryer and cheap alkalizing agent will do the trick, and it’s more efficient and effective than producing commercial liquid fertilizers.

Just like glass or paper, a recycling company could pick up the finished product and deliver it to farmers.


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