In rainy and snowy weather, the snow on the seedling shed film should be cleaned in time to prevent frozen seedlings from falling. Farmers everywhere must pay close attention to the snow conditions, pay attention to the weather forecast, and should also promptly clean up in case of heavy snowfall at night. In freezing and freezing weather, large and small sheds keep warm and keep warm, and rice straw is covered on both sides of greenhouses and small sheds, and straw awnings or shade nets are placed on sheds. Strengthen the nursery shed temperature and humidity management. When the weather temperature rises, it will promptly lift the ventilation in the nursery greenhouse at about 9:00 am on sunny days, and then open the shed. Don't wait until the temperature rises to lift the shed to remove the membrane. Otherwise, it will easily cause seedling dehydration and dead seedlings; Around the time, the size of the shed will be strict; in the rainy weather, the greenhouse will be ventilated, the indoor shed will be opened, and the shed door will be closed in the afternoon. During the frost season, dry seedbeds can be properly watered in the morning to keep the seedbeds moist, reduce frost damage, and combine with preventative spraying of antifreeze, such as "481" 4500 times liquid, "root more than strong" 1200 times liquid spraying. Etc. to improve cold resistance. Seedlings that have suffered from frost damage should be cleared of frozen residues on sunny days, and attention should be paid to the occurrence and prevention of Botrytis cinerea and early blight. Can be used 50% fluocin 1000 times, 15% green Jiabao 1000 times, 28% gray mold rick 500 ~ 1000 spray, at the same time, combined with the prevention of viral diseases and aphids, virus disease can be used to suppress stars, bacteria killing stars And so on, aphids can be controlled by imidacloprid agents. For seedlings that have not been chilled, they should also be caught on sunny days and applied once according to the above method. Continuous rainy weather, can not be applied, can use 20% 100 rot smoke, according to the greenhouse space 0.2 ~ 0.3 g / cubic meter of smoke, note weak seedlings and small shed can not be used. Melon seedlings can be seeded with a hot material bed, where conditions can be used artificial lights, electric furnaces, geothermal lines, etc. for artificial light, increase the temperature.
Black bean is the black seed of soya bean. Black bean protein content 36%, easy to digest, to meet the needs of the human body to protein is of great significance; fat content of 16%, mainly unsaturated fatty acids, the absorption rate of up to 95%, in addition to the body to meet the needs of fat, but also to reduce the blood cholesterol, black beans contain rich vitamins, yolk, black The contents of vitamin and lecithin, among which B vitamins and vitamin E are very high, have the function of nutrition and health care. The black beans also contain abundant trace elements. It is essential to keep the body function intact, delay the body aging, reduce the blood viscosity, and meet the brain's demand for trace substances.
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