Study uses pine slash to improve soil

Pine slash—a major problem after recent flooding events—could be chipped and used to rehabilitate soil, new research from the University of Canterbury and ESR suggests.

As prices soar, Japan returns to human waste fertilizer

It's cheap, recycled, and has centuries of tradition: "shimogoe" or "fertilizer from a person's bottom" is finding new favor in Japan as Ukraine's war hikes the price of chemical alternatives.

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