The demand for fewer pesticides on farmland is becoming increasingly urgent, but how can this be achieved? For each important crop, well-known and new weeds, pests, fungal diseases, and viruses are explained after discussing the side effects of pesticides. There is no such thing as comprehensive, perfect plant protection! The weaknesses of biological methods are not concealed. Important beneficial organisms and the field environment in terms of biodiversity are discussed. A guide for everyone who bears responsibility for our basic resource, the soil. Behind it lies the vision of agriculture that is suitable for our grandchildren!