The author describes problems encountered while supervising an on-farm research project in S.W. Nigeria. Her task of "testing" alley farming under field conditions was made particularly difficult as there was no word to describe "alley" in the local language. She devised solutions to these communication problems by involving a primary school in a drama production called the "fertiliser bush". Dialogue is given to show how concepts, such as poor production related to soil quality, could be put across easily through theatre.