To provide jobs and stop their children leaving the land, they want government support to develop agro-industrial projects, such as fish and fruit farming and market gardening, says Ilda de Souza, leader of a co-operative there.

ECONOMIST: Brazil

The Cluvers, who had a stake in the new business, worked with the villagers, who were new to commercial farming, to produce first fruit and then wine.

BBC: Patrick and Susan Kraukamp

Army reservists from America's farming states are meanwhile striving to teach Afghans how to boost their wheat and fruit harvests.

ECONOMIST: Developing Afghanistan: Now the splurge | The

He said there were signs people were starting to consider jobs in agriculture as the recession took hold and farmers were keen to promote farming careers to students and young people but that would take "many years to bear fruit".

BBC: British workers 'needed on farms'