* Low-pressure irrigation boosts African Market Gardens * Seen as potential to break cycles of hunger * Experts question scaling up, fret over water By David Lewis KEUR YABA DIOP, Senegal, May 6 ...
KEUR YABA DIOP, Senegal (Reuters) - As the world's aid agencies scramble, yet again, to feed millions of hungry in Africa's Sahel, some smallholders in the semi-arid region are reporting bumper ...