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

摘要

Method for Determining Fertilizer Needs, Especially Nitrogen Fertilizer Needs and Method for Carrying Out the Method The present invention relates to a method and device for the distribution of fertilizer to agricultural crop plants. According to the invention there is a determination of the amount of fertilizer required depending on the current nutrient integration (nutrient status), optimum nutrient integration (nutrient requirements) within fertilization time and optimal nutrient integration (nutrient requirements). nutrient content) in the next fertilization period, taking into account other influencing factors through a optimal correction factor.