Radish is a fatty seedling that sprouts from radish or big radish seeds, and is popular for its tenderness and slightly spicy radish and sweetness. First, the season arrangement Radish is a hardy leafy vegetables. Both open and protected areas can be produced. In the 40 degrees north latitude area of ​​Liaoning Province, open fields can be produced in spring and autumn, and protected areas can be produced in all seasons. Economic benefits are highest in the early winter. The following focuses on the cultivation techniques of solar greenhouses in winter and spring. Second, the solar greenhouse in winter and spring radish dishes cultivating 1, soil preparation, hoe and basal fertilizer. First, level the land, make a width of 1 to 1.2 meters, length of 5 to 6 meters of rice dumplings extending from north to south, apply 5,000 kg of high-quality cooked farmyard fertilizer per 667 square meters, and pour into the soil to make the soil and manure mix evenly. Wait for sowing. 2, sowing. Using the dry seed live broadcast method, the seeds used can be ordinary radish with lower prices, so the main use of radish seeds. Can be broadcast or drilled. The sowing method is to irrigate the surface of the sampan, spread the seeds evenly, and cover the bed with a thickness of 1 cm. Drilling method is to open 7-8 ditch on a 1m wide ravine, 4 to 5cm deep, and throw seeds along the ditch. Since the seeds are nearly round, the last of the ditch thrown to the ditch can roll into the ditch. After throwing seeds and sowing, evenly cover soil 1 - 1.5 cm, step along the trenches, and then irrigated with water. The effect of stepping on the bottom of the grid is suitable for the relatively loose growth environment of eucalyptus, which is conducive to seed germination. If the soil is sowed when sowing, do not step on it. The grid. The sowing rate is generally about 5 square meters. The radish seeds with a germination rate of 90% are about 500 grams. 3, management after sowing. (1) Temperature. After sowing, the temperature is maintained at 20-23 degrees Celsius during the day and 6-8 degrees Celsius at night. It can be unearthed in about 4 days and can be harvested in 20-25 days in winter. After that, with the increase of temperature in the natural world, the harvest period will gradually shorten, and the harvest will be harvested in the shortest time of 8 days in summer. (2) fertilizer and water. Radish vegetables have a short growth period, and they have little evaporation in winter and spring. After sowing, they do not need to be watered and fertilized. 4, harvest packaging. The harvesting standard is that the seedlings grow two large cotyledons. The largest is two big cotyledons and one true leaf no longer than one centimeter long. The method of harvesting is to remove a handicraft from the soil and cut it off with scissors. Put the roots into the basin and do not wash them in a plastic bag. Each 200-250 g bag can be listed. Third, disease control Because of the short growth period of radish vegetables, it can be planted continuously, and it can also be planted 2-3 茬, and later it is easy to get black root disease. After the disease, the radish vegetables dies and die, in order to prevent radish black The occurrence of root disease, after planting 2 pods, it is best to use quinoline and dexamethasone in combination with 5 g/m2 of radish and 1500 g of dry fine soil to mix evenly, and evenly spread 1000 g/m2 after sowing. For medicine and soil, the disease must be prepared for prevention, especially in the old vegetable areas in the suburbs. It would be too late if we got sick and fight drugs. Because of the short growth period, no pests. China Agricultural Network Editor
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