Special nitrogen-containing foliar fertilizer for spinach

The invention relates to the technical field of agriculture, particularly to a special nitrogen-containing foliar fertilizer for spinach. In the prior art, the foliar fertilizer for spinach has a variety of formulas while the matching and the ratio of various nutrients are unreasonable, wherein the essential nutrients for spinach growth are either missing or excessive, such that the slow growth orthe over-nutrition of spinach can be caused so as to limit the yield increase and the quality improvement of spinach. According to the present invention, through experimental research, the componentsof the fertilizer are preferably selected, and the precise ratio is used, such that the obtained fertilizer is easily absorbed by the spinach leaves so as to effectively promote the growth of spinachand effectively increase the yield of spinach. The special nitrogen-containing foliar fertilizer of the present invention is mainly used for the preparation of nitrogen-containing foliar fertilizersfor spinach. 本发明涉及农业技术领域，尤其涉