reporter: rudolf roscher has spent years looking at ways of reducing food waste here in the western capehe works for the regional department of agriculture. von bormann has come to visit one of his projects, which she believes could provide a model for the rest of the country. roscher has managed to persuade farmers to donate their food surplus instead of plowing it back into the ground. lizette kloppers' farm is the collection point. seven local farmers bring their excess produce here. lizette: you should see the quality. anything, even if there is a little mark on it, or a spot or something. nono, that's not good d enough. they want to deliver the best. so, yes, they want to give. reporter: sometimes, several tons of food arrive here in a single day. government-sponsored vehicles then transport it to soup kitchens in nearby townships like avian park, which is home to 20,000 people. poverty is rife here, as are gang violence and drug crime, and it's often the children who suffer most. lenana: today we're cooking a dh with pumpkin, potatoes, carrots, and other vegetables. then we'll serv