Fecha de publicación: 15/12/2017 Fuente: Wipo "precision farming" The invention provides an electronic fence suitable for precision farming farmland of multiple kinds of crops and belongs to the field of informatization agricultural equipment. The electronic fence comprises electronic piles, an upper computer and a mobile terminal, the mobile terminal comprises an intelligent bracelet, an intelligent mobile phone, a tablet computer and the like; multiple electronic piles use pulse signals to recognize and position the position of the mobile terminal, the upper computer is used for virtually dividing the farmland, and when it is detected that the mobile terminal passes through the boundary line, the mobile terminal sends vibration prompts and sends related information of a new area to the mobile terminal; a user knows about the farmland and the growth condition of the crops conveniently, the aim of precision farming of multiple kinds of crops is achieved, meanwhile, partition is conducted again conveniently, and a planting plan is adjusted conveniently.