Chris de Morsella wrote:
> Talk about your high yuck factor. Scientists at the University of
> Kuopio in Finland grew cabbages using a conventional fertilizer, human
> urine that had been stored for 6 months, or no soil amendment at all.
> The researchers report that the urine treatment yielded cabbages that
> were bigger and carried fewer germs than those grown by either other
> approach. Analyses of the urine used in these experiments showed that
> its nitrogen, phosphorus, and potassium contents were comparable to
> those of commercial fertilizer. Urine collected from one individual
> over the course of a year could fertilize a 90-square-meter plot,
> yielding more than 160 cabbages, the team calculates. The data indicate
> that a urine-treated plot would yield 64 kilograms more cabbage than
> one fertilized conventionally. (SCIENCE NEWS, 2007)
>
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