Audio clip: Adobe Flash Player (version 9 or above) is required to play this audio clip. Download the latest version here. You also need to have JavaScript enabled in your browser.

Over 80million tonnes of nitrogen is used in agriculture each year. A huge proportion of this runs off the crops causing a massive environmental problem – in particular polluting waterways and encouraging the growth of large algae blooms. But a new technology hopes to change this. Pete Blezard is Chief Executive of Plant Impact.

Be Sociable, Share!