2, sowing: before sowing the plastic tray will be cleaned, the bottom of the seedling tray paved with absorbent paper (rice paper can be) to do the cultivation substrate, and absorbent paper with nutrient solution sprayed wet (wet), and then the soaked seeds evenly sown to the seedling tray, the thickness of 1.5 centimeters. Seedling trays should be placed in a well-ventilated place with proper light protection.
3, spraying: after sowing the seedling nutrient solution will be diluted 200 times sprayed once a day, after the buds grow upright to the harvest, sprayed 2 to 3 times a day.
4, management: sprouts production generally requires a temperature of 20-25 ℃. Among them, radish seedlings, brassica seedlings require a temperature of 17-20 ℃, and toon seedlings require a temperature of 22-25 ℃.
5, harvesting: spray sprouts nutrient solution 2-3 times a day as usual, sowing the 7th day or so can be harvested, seedling vegetables are tender, taste fragrant.