| abstract |
The invention discloses a sodium humate-ammonium sulfate composite agent and an application thereof, belonging to the technical field of agricultural chemicals. The sodium humate-ammonium sulfate composite agent comprises sodium humate and ammonium sulfate, and the preparation method is as follows: Add ammonium sulfate and adjust the pH between 7.5-8.5. The sodium humate-ammonium sulfate compound agent can be used for soil improvement, as fertilizer, bacteriostasis and disease resistance, increase the utilization rate of macroelement fertilizer, synergistic effect on medium and trace elements, stimulate the roots of crops, and improve the quality of agricultural products. |