Sunflowers – more than a pretty face

Sunflowers have much more potential for humanity than just delivering pretty flowers and sunflower oil as Dr. Erika Nehnevajova explained to the Planet strikes back AG of Schiller Gymnasium in October. Based on her research in the university of Bern, sunflowers are capable of removing heavy metal contamination from soil more efficiently than the invasive soil washing procedure. As an added bonus the sunflowers concentrate the heavy metals in small amounts in their leaves and s terms. The sunflowers can then be harvested and mixed with other organic material to be used as bio fuel.

This procedure has not yet been carried out on an industrial scale yet but as agricultural land becomes scarcer and the demand for renewable energy rises, maybe more interest in this concept will rise.

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