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Stories by John Matson

Sustainability

"P" is for plants: Human urine plus ash equals tomato fertilizer, study says

Gardeners, take note: the secret to growing hearty tomatoes is remarkably close at hand. Look no further than your fireplace and, er, your bladder.

According to a study from a group of environmental scientists at the University of Kuopio in Finland, human urine and wood ash make a reasonably potent tomato fertilizer, boosting plant growth and fruit yield dramatically over untreated plants and nearly keeping pace with conventional fertilizer...

September 4, 2009 — John Matson
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