Method for determining the fertilizer requirement, in particular the nitrogen fertilizer requirement and apparatus for carrying out the method

摘要

A method and a device for applying fertilizer for agricultural crop plants are disclosed. According to the invention, the required amount of fertilizer is determined as a function of the current nutrient intake (nutrient status), an optimal nutrient intake (nutrient requirement) for the fertilization appointment and an optimal nutrient intake (nutrient requirement) for the next fertilization appointment, taking into account other influencing factors via a correction factor DIMA become.