Why Soil Matters
Clip | 1m 41s
The rapid pace of our population growth underlines the need for healthy and productive farmland. Yet as our population increases, the amount of farmable land on the planet is decreasing. How can we feed more and more people on less land? In this QUEST video, Will Allen explains how increasing soil fertility will ensure our future food security.
Aired: 04/08/14Video has closed captioning.