Soil fertility, cropping systems, nutrient-, humus balances, soil tillage, agroforestry, water household, knowledge transfer, local, indigenous, traditional ecological knowledge, farmers’ experiments, innovation, regulatory framework, certification systems, home gardens, wild collections, ethno sciences, rural development, urban food / farming systems, organic farming and societal change, systems theory/ scenario technique, transfer approaches, transdisciplinarity, ethics, farming systems in the tropics.

> Read more