The free App Weed Recognition can be used for the precise determination of 137 different broadleaf weeds and grasses in 35 sugar beet growing. By clicking on how the parts of the weeds appear, the species can be determined. The individual weeds are described in detail (kiemlobstadium, leaves, stems, flowers, etc.) and illustrated with several pictures of various stages of development. Once installed can be done the identification of the weeds offline. To display the pictures requires an Internet connection. This app is a joint initiative of KBIVB-IRBAB-IRBAB, IRS, LIZ, BISZ, ITB, Nordic Sugar, British Sugar AIMCRA, BETA and SFZ / CBS.