Agricultural water regulating agent

The invention relates to the technical field of agricultural products, and discloses an agricultural water regulating agent which comprises the following materials in percentage by weight: 0.5-20% of wood vinegar or bamboo vinegar, 1-20% of organic acid, 2-18% of a complexing agent and the balance of non-ionic surface active agent, and the organic acid, the complexing agent and the non-ionic surface active agent are prepared from the following materials in percentage by weight: 0.5-20% of wood vinegar or bamboo vinegar, 0.5-20% of organic acid, 1-20% of complexing agent, 2-18% of non-ionic surface active agent and the balance of water. The agricultural water regulating agent provided by the invention can regulate the pH value of water after being used, prevents alkaline water from decomposing pesticide to influence the pesticide effect, can complex harmful salts and impurities in water, eliminates the decomposition and passivation of the harmful salts and impurities on the pesticide, and can effectively reduc