Following several decades of popularity after the Second World War, the use of synthetic herbicides is now experiencing a backlash within the agriculture industry. The increase in organic farming and concerns about potential negative effects on human health and the environment is creating a demand for pesticide-free food and alternative weed management techniques. International research has now explored the potential, limitations and impacts of non-chemical alternatives and the effect of different strategies on the entire agro- or natural ecosystem. Through the re-evaluation of techniques...