Nature and EnvironmentMalawians swap tobacco for sunflowers05/02/2017May 2, 2017Tobacco - or "green gold"- is Malawi's most important export product. But monocultures are harming soil fertility. Switching to other crops, such as sunflowers, could help. https://p.dw.com/p/2cCzjImage: DWAdvertisementMalawians swap tobacco for sunflowersTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video