Liquid fertilizer and preparation method thereof

The invention relates to a liquid fertilizer and a preparation method thereof. The liquid fertilizer is composed of an inorganic nutrient substance, an organic nutrient substance and water, and is characterized by containing metronidazole. The liquid fertilizer and the preparation method thereof have the advantages that the liquid fertilizer can be prevented from swelling out of a bottle, the fertilizer loss is reduced, the quality of the fertilizer is stable, and the utilization rate of the fertilizer in soil is also increased. 本发明涉及一种液体肥及其制备方法，液体肥由无机营养物质、有机物营养物质和水组成，其特征在于，含有甲硝唑。本发明可以防止液体肥料涨瓶，减少肥料损失，并使肥料质量稳定，同时本申请还可以提高肥料在土壤中的利用率。