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Eating urine-fertilised food: What is the potential of pee? 

Human urine may seem like a crude way of fertilising
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Human urine may seem like a crude way of fertilising

Fertilisers using synthetic nitrogen
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Fertilisers using synthetic nitrogen

Agricultural ammonia
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Agricultural ammonia

Synthetic nitrogen is source of greenhouse gases
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Synthetic nitrogen is source of greenhouse gases

Urine separation
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Urine separation

Pee needs to be processed
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Pee needs to be processed

Public squeamishness
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Public squeamishness

Eat urine-fertilised foods? 
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Eat urine-fertilised foods?