09 September, 2015 - Ngwenya, Swaziland - FAO Director-General José' Graziano da Silva is welcomed by local farmer Mr. Philip Shabangu to Motshane Rural Development Center in Ngwenya for a liming demonstration. Ngwenya is a town in western Swaziland, lying near the border with South Africa, 25 km north-west of Mbabane. Liming reduces the soil's acidity levels.