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Fruitful mix


One person’s waste is another person’s gold. Used coffee grounds, for example, make for excellent fertilizer or briquettes.

Now the research team of a Spanish institute is experimenting with fertilizer made from organic and agricultural products.

So-called bagasse, made from beer brewing waste, is mixed with the leftovers from rapeseed oil production and fresh cow dung.

As part of a test for growing salad the delicate mix resulted in an increased yield of 15%. The nitrogen present in natural fertilizers supports useful microbes and kills parasites that harm the roots.

Alongside this variant, other natural waste products are being examined in order to reduce the use of chemical pesticides.

It’s all in the mix.

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