News tagged with roman times

Why crop rotation works

Crop rotation has been used since Roman times to improve plant nutrition and to control the spread of disease. A new study to be published in Nature's 'The ISME Journal' reveals the profound effect it has on enriching soil w ...

Jul 18, 2013 4.8 / 5 (5) 1 | with audio podcast

Cat litter to become an edible product?

Sepiolite is a lightweight porous mineral used in cat litter and other applications. The extraordinary properties of this clay make it a highly sought after mineral, despite its scarcity in the Earth's crust: ...

Jul 12, 2011 4.5 / 5 (2) 3 | with audio podcast