s:489:"TI Potential of agroforestry to meet food security and environmental quality: moral persuasion, wielding stick or dangling carrot? AU Ajayi, O.C. AU Akinnifesi, F.K. AU Sileshi G W AU Chakeredza S AU Mng'omba S A AU Nyoka B I AB Challenges in South Africa - decreasing per capital food: current food deficit vs future environmental debt - Mono-modal rainfall and short growing season - trade off between livelihood and environment is high in food deficit countries is high ";