Invisible irrigators: how small-scale Tanzanian farmers are making a difference: Children walk through a maize plantation in Zimbabwe, one of the countries in which irrigated areas might be double the officially-recognised area. Reuters/Philimon BulawayoDespite increased efforts to expand irrigation in Tanzania, the country is still well below its declared target of one million … [Read more...] about Invisible irrigators: how small-scale Tanzanian farmers are making a difference | The Conversation