Radish sprouts, commonly known as radish sprouts, are a kind of sprouts with high nutritional value. In addition to its raw food, cooked food, salad, glutinous rice, and fried rice, it is a delicious health food. In addition, radishgrass needs only 10 to 15 days from sowing to harvesting, and soilless cultivation can reach 20 to 30 tons per year. Where conditions permit, it can be produced continuously for an annual anniversary. The soilless cultivation techniques are as follows: 1. Cultivation facilities can be grown in general sheds (rooms). However, heating equipment is needed in winter and shade nets are needed to cool down in summer. Stereo cultivation of radish sprouts requires the erection of iron seedling dish racks. The specifications of the iron racks are generally 150cm in length, 60cm in width and 200cm in height. They are divided into 4 to 5 layers, and the layer spacing is 20 to 40cm. Both the solid and the flat cultivation require porous plastic seedling trays. . The seedling plate is 60cm long, 24cm wide, and 4-5cm high. Second, the choice of varieties of water culture Dahongpao radish and Zhejiang University cabbage radish better. Third, sowing new species for hydroponic production. After removing the impurities, soak in water overnight, float the floating seeds, and then remove the floating seeds. Put a layer of paper on the seedling tray to prevent the roots from being hard to clean. After sowing, the seed is covered with a layer of paper to prevent the seeds from moving when watering. The amount of broadcast 50-70g (g) (dry seeds). Fourth, the temperature and humidity management temperature control in 15-20 °C. Slow growth is too slow, too easy to mold. Therefore, the maximum range of 5-25°C cannot be exceeded. In winter, warming equipment can be used to increase the temperature; in the summer, the temperature can be lowered by ventilation and shading. Radish shoots are susceptible to mildew and mildew (especially in hot season) when the humidity is high. Therefore, the relative humidity in the growing environment needs to be less than 70% (mainly through ventilation to reduce humidity). V. Water Management After sowing, pour water twice a day, and in case of rainy and snowy days, pour it over again as appropriate. As soon as Ye Ye started, the paper covered in the upper layer was immediately removed. After 3cm in height, the nutrient was poured. If Chen seeds are used for hydroponic culture, it is particularly important to feed the nutrient solution later. Otherwise, the sprouts of the radish sprouts grow slowly and easily. The simple formula of nutrient solution is: a bucket of water plus 5g urea and 7g of potassium dihydrogen phosphate. 6. The cotyledon was fully developed and timely harvested when fresh leaves were produced. Out of date, mildew. Under normal circumstances, the water cultured radish sprouts are sold in whole plates, and the roots are cut when eating. VII. Prevention and treatment of disease After each harvest, the seedling disc must be cleaned in time, and then the production of squat should be performed. In high temperature season, seedling discs need to be soaked with 0.1% potassium permanganate solution for more than one hour to disinfect. (Zhao Shengde Lei Xingzhong, Zhao Guang Farm, Heilongjiang Province)
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