Simple technologies can be learned effectively through imitation, while complex methods require professional training. If Ghanaian pineapple farmers are to achieve higher yields through more sustainable agriculture, they will need to be trained in exactly these types of complex applications. This was the conclusion reached by a team from the Technical University of Munich (TUM) and the Kiel Institute for the World Economy (ifW), who provide evidence for this assertion in the form of a new study with recommendations.