The smart phone has been a significant boon for farmers across Africa but in some rural areas, internet access can be difficult. However, the Kenya-based knowledge-sharing platform Wefarm has got around this by enabling farmers to pool 资讯rmation via text messaging.

The BBC's Judith Wambare visited Subukia in western Kenya, to find out more.

Watch video: BBC.

新闻Radha Ahlstrom-Vij