Plant source seed soaking agent and preparation method thereof

The invention belongs to the technical field of pesticide and discloses a seed soaking agent. The seed soaking agent comprises 0.5 to 1.5 percent of calcium chloride, hydrogen peroxide, 0.5 to 1.5 percent of monopotassium phosphate, 15 to 18 percent of ammonia, 0.005 to 0.01 percent of gibberellin, 0.001 to 0.003 percent of trace elements, 30 to 50 percent of plant source extract and the balance of solvent; the solvent is a mixture of ethanol and water; the raw materials used by the seed soaking agent have no residue and pollution during use; the seed soaking agent has the functions of killing insect, sterilizing, resisting diseases and increasing output, and has high quality and efficiency and low cost; under the level of wheat output of 350 kilograms per hectare, 25 to 47kilograms of wheat can be increased by only one-time seed soaking; the economic benefit is good; and meanwhile, the seed soaking agent has the advantages of easily obtaining high-power concentrated solution, along with convenient transportation.