ROGER McKENZIE argues that Africa's ultimate liberation depends on its ability to decolonise itself including the redrawing of its present national borders imposed by Europe
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MAT COWARD explains the preparation needed this month for the moisture-loving marshland plant

MODERN varieties of celery aren’t too hard to grow, but you’ll improve your chances of success considerably if you prepare the soil in advance.
Last autumn was arguably the best time for that, but if you’ve had to sell your time machine to pay the gas bill, then late winter or early spring will do fine.
In the wild, celery is a marshland plant, and our cultivated types have inherited that need for constant moisture. It’s a crop that must never be allowed to dry out completely, even at the height of summer. The ground it’s grown in should be rich, deep and moisture-retentive.
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