AFRICA, Sept. 8 -- AFRICA cannot afford to stop at ideas, it must actively pursue pathways that turn the promise of an agricultural revolution into reality.

Tanzania, with its strategic advantages, is especially well positioned to take the lead.

Our motivation is grounded in real needs: A fast-growing population, ambitious development plans and the demand for reliable supplies of food and raw materials to serve emerging industries.

At this point, improving productivity is not optional, it is existential. Tanzanias current average yield of about 3 tonnes per hectare falls far behind that of South Africa and major global producers.

Some may credit genetically modified seeds for their success, but what stands out most is the central role...