Biological agent for planting organic vegetables and manufacturing method thereof

The invention provides a biological agent for planting organic vegetables, which comprises the following components: main materials: 3-6kg of radish, 3-6kg of onion, 3-6kg of garlic, 3-6kg of chili, 3-6kg of pepper, 3-6kg of pine needle and 8-12kg of plant ash; auxiliary materials: 3-5kg of triperygium wilfordii, 3-5kg of chinaberry bark, 3-5kg of sticktight, 3-5kg of ephedra oil, 3-5kg of betel nut, 3-5kg of sulfur, 3-5kg of ailanthus leaf, 3-5kg of locust leaf, 3-5kg of calamine and 3-5kg of kaempferia galamga; and assistants: 8-12kg of 12wt% sodium chloride water solution, 8-12kg of 15% magnesium chlorate water solution and 8-12kg of 6% sodium carboxymethyl cellulose water solution. The agent is simple in proportioning and convenient to use, and can effectively prevent and treat multiple diseases and pests.