First, the cultivation equipment is framed with wooden strips or thick wire, and screened with 1 to 2 layers of screens. The mesh does not leak with the radish, but the root can pass through.
Second, the environment disinfection closed doors and windows, with 1 gram of solid sulfur per square meter, lit fumigation 4 to 12 hours, and then open the doors and windows for ventilation. Mesh is soaked with 3% lime, washed and rinsed with water for 2 to 3 times. The cultivating vessel is soaked with 3% lime water and then rinsed with water.
Third, the selection and production of radish sprouts should be used full of seeds, large head of quality radish seeds, such as Dahongpao, Daqing radish, Chuanxin Hong, Manyuan Hua Zi, green fat radish and so on. After removing impurities and insufficient seeds, wash the dirt outside the seed coat with water. Soak it with water twice the seed volume for 3 to 4 hours. After soaking, wash the seeds 2 or 3 times, wash away the mucous from the seed surface, and then remove and drain.
4. Seeding Soak the radish seeds after washing and remove them, drain the excess water, and evenly spread them on the gauze. The density is 250-300 grams per square meter. The mesh yarn should be placed in a flat bottom container filled with nutrient solution, and the nutrient solution should be about 0.1 cm above the mesh surface. The nutrient solution is 0.1% urea solution or ammonium bicarbonate solution. After sowing, the cover film is kept warm and moisturized.
Fifth, the management removes the membrane 2 to 3 times a day for 30 minutes each time to allow the seeds to ventilate and ventilate. After the seeds germinate, the film can be removed. The level of the nutrient solution is equal to that of the mesh yarn, which is favorable for the seeds to smash down after germination.
During the growth process, as the leaf surface evaporates, nutrient solution should be promptly added to keep the roots moist, for 7 to 10 days. When the cotyledon is flat and the true leaves are not emerged, they can be harvested.
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