After the seedlings are drawn together, the seedling beds should be ventilated, and the ventilation volume should be gradually increased as the weather warms. The seedlings should be subjected to low-temperature training to improve the cold resistance of the seedlings and adapt to the outdoor low-temperature environment.
There are two ways to increase facilities and increase protection facilities: First, build wind barriers. The wind barrier has a blocking effect on the cold air and prevents the surface from further cooling. The second is planting trenches and covering the mulch. When planting vegetables in early spring, the ditching planting method can be adopted, and the ditch depth requires more than the height of the seedlings, and then the dura can be covered with a plastic film.
Temporarily warming the production of protected areas, in the cold current, in the nursery shed or production shed by means of building a simple coal stove or install lights for temporary heating, in order to increase the temperature inside the shed to prevent freezing damage.
When the well water is poured, the weather is clear, and there is no wind or breeze at night. The temperature drops rapidly. Especially when the local surface temperature falls below 0°C and frost occurs, a large amount of well water can be poured on the ground to greatly increase the well water. Geothermal.
Lighting fumes On frosty nights, field fume can effectively reduce or avoid frost disasters. But there are two things to note: First, the fireworks should be dense enough to allow the smoke screen to cover the whole park. Second, the lighting time should be appropriate. It should be ignited in the wind direction from midnight to 2:00 in the morning until sunrise.
Appropriate amount of water spray Before the frost occurs, spraying the water on the surface of the plant with a sprayer can slow down the body temperature and increase the content of water vapor in the atmosphere. The water vapor condenses and releases heat to mitigate frost damage.
Cultivating the cultivators before the frost in a timely manner can reduce the degree of frost damage. Because the temperature in the spring rises gradually, after the clay is loosened, the solar thermal energy can be better absorbed and stored. Once the frost comes, the frost can be alleviated because a part of the heat has accumulated in the soil.
When food tastes very good, you might think it contains too much sugar and fat to stay healthy. But shiitake mushrooms are different. This large succulent mushroom is a delicate food with good nutritional content and many scientifically proven medicinal values. The delicate flavor of shiitake mushrooms adds flavor to almost any dish. In addition, essential amino acids are present in similar proportions to the "ideal protein" of human nutrition. Shiitake is rich in amino acids leucine and lysine, and lacks many grains. It is also a good source of B vitamins. Over the past two decades, scientists have isolated substances from shiitake mushrooms that may play a role in treating and preventing heart disease and cancer.
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