1. Seed selection
There are four selection methods: 1. Personnel selection of seeds, select large, plump, no insect eyes and no damage; 2. Screening, sieve with a large-eye washing basket, leave good and uniform ones, 3. Water selection, put the seeds in In the water, the ones that sink to the bottom are left, and the ones that float on the water are the shriveled seeds; 4. Wind selection, use a dustpan to raise it for screening.
2. Bubble hair
Beans need to be soaked in warm water of 20-30 degrees for more than ten hours, and seeds are generally soaked for 10 hours.
The second step is to disinfect the seeds. The seeds often contain bacteria. In order to reduce the diseases at the seedling stage, ensure the vigorous growth of vegetable seedlings, let yourself and your family eat healthy vegetables, and avoid giving up your labor halfway, it is best to carry out simple cleaning of the seeds before sowing. Disinfection. Generally, the seeds bought from the market can be soaked in warm water. When sterilizing, put the seeds into hot water of about 55 degrees, stir quickly, and soak them for 8 hours when the water temperature drops to 30 degrees.
3. Prepare the incubator
Washing baskets, plastic lunch boxes, foam boxes, washbasins, and vegetable basins can be used as long as they have a flat bottom. There are no meshes at the bottom. Drill some leaking holes, and they must be cleaned and free of oil stains. Lay 2 layers of paper towels on it (napkin, white paper, towel, gauze, wrapping paper, any thinner ones are fine, no oil stains).
4. Sowing
Before planting, spray water on the paper towel first, then put the soaked seeds into the basket evenly to spread out, do not overlap, cover with a layer of paper towel, and then water. Put it in a dark and ventilated place, or cover it with a layer of opaque things, and use a watering can to spray water 3-4 times a day. When the sprouts grow (different varieties have different germination times, some 5-6 days, some 9-10 days), they can be placed in a place with light (indoor visible light), and cannot be directly exposed to the sun. Where there is no sunlight, you can use fluorescent lamps to fill in the light. Harvest in time.