What is organic ? The central idea of organic farming is the cultivation in harmony with nature. Natural life processes are encouraged and nutrient cycles are closed to a great extent. By refraining from chemically synthesized agents, the natural defences of plants and animals are boosted. Fairness is a top priority in the sector’s relationships. Even weeds are part of the organic farm. They are a habitat for beneficial organisms and protect the precious humus layer as a ground cover, thus preventing soil erosion. Beneficial organisms control pests and support the ecological balance. Biodiversity promotional surfaces such as hedges and flower meadows are habitats for rare plants and offer protected nesting sites for birds. The central idea of organic farming is the cultivation in harmony with nature. Natural life processes are encouraged and nutrient cycles are closed to a great extent.