African trade ministers have warned UK trade and industry secretary Patricia Hewitt that the price of a successful conclusion to the new round of global trade talks will be further cuts to Europe's farm subsidies. Agriculture ministers agreed last month in Luxembourg to break the link between subsidies and farm output to trim the surplus produce Europe dumps in poor countries, bankrupting local farmers. But trade ministers from Africa and the developing world meeting in London dismissed the deal as a fudge which leaves the worst excesses untouched.