This paper presents shortly an ongoing project on the influence of organic farming on nature quality in a broad sense. This includes investigations of patterns of localisation of organic farming in relation to landscapes, biological diversity outside organic fields, ecosystem diversity and function of fields and landscapes in organic farming as well as perceptions and practices of organic farming. The aim of the project is to identify key components to ensure continuous development of organic farming towards a closer integration of nature quality with food production. Some preliminary botanical data are presented showing that nature on organic farms is dominated by very common competitive species also dominating uncultivated biotopes in conventional farming
