Fertilizing method of special package fertilizer for early-maturing apples based on fruit development

The invention relates to a method for applying a special package fertilizer for early-maturing apples based on fruit development, and belongs to the technical field of agricultural planting. The method comprises the following steps: (1) dividing the growth periods of the early-maturing apples by adopting a method for photographing the same fruit branch and fruit node at fixed points and fixed time; 2) calculating the fertilizer requirements of the nitrogen fertilizer, the phosphate fertilizer, the potash fertilizer and the calcium fertilizer according to the principle of'fertilizer determination based on fruits'; and 3) dividing the growth period of the early-maturing apples into three fertilization periods, and determining the fertilization proportion of each fertilization period. The fertilizing method is specially designed on the basis of the growth period of the early-maturing apples and the fruit development requirement rule, when the fertilizing method is used by fruit farmers, accurate application can