Is it realistic to convert human urine into fertilizer?

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New research reveals that in some parts of the world, human urine has the potential to be a cheap and efficient source of fertilizer.

TORONTO -- Farmers pay for fertilizer so that they can use the phosphorous, nitrogen and potassium it contains in order to keep their fields fertile.

Governments pay for sewage treatment plants so that they can filter out urine – which contains phosphorous, nitrogen and potassium – from their water supplies.In this week's Riskin Report, CTV News Science and Technology Specialist Dan Riskin takes a look at the potential for treating crops with human urine and shares a story from an astronaut.

 

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How many drugs are in that urine? She ain’t what she used to be!

Ask yourself where the bathrooms are in this picture.

Point me towards your tomatoes!

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