Methods for growing cereal that respects natural ecosystems is the focus of a new book from the Food and Agricultural Organization (FAO).

The world’s major cereals, which include maize, rice and wheat, account for more than 40 per cent of human calories consumed and more than 35 per cent of our protein.

The new book examines ways for growing such food staples while also respecting and even leveraging natural ecosystems.

Sandra Ferrari spoke to Josef Kienzle, an agricultural engineer with FAO in Rome about why eco-based farming benefits all.

Duration: 3’39”