widely touted as a means for pulling small subsistence farmers out of poverty -- have often failed. "Small scale irrigation all over the world is a problem," said Adriaan Louw, co-ordinating the Limpopo project for South Africa's Agricultural Research Council. "There aren't many success stories. That's why we need more research." But experts say some of South Africa's white commercial farmers may have to cut back on their water usage for profitable products like mangoes and tropical fruit to benefit their poorer subsistence counterparts. --SP 2042 Local Time 1742 GMT
