The weather is really getting colder and colder. Recently, many central regions have also ushered in a significant cooling. The hometown of Xiaobian is generally not snowing. Snow seeds began to bloom yesterday. In such cold cold air, is your greenhouse crop doing warm and warm measures?
First, artificial warming
If the weather is particularly cold, many farmers will artificially increase the temperature in the greenhouse, generally in two ways. One way is to put a coal stove in the greenhouse, which can generate hot air, so as to increase the temperature inside the greenhouse. If the greenhouse is large, multiple coal stoves can be placed in different areas. This kind of warming method should pay attention to ventilation and discharge the carbon dioxide in the greenhouse.
Another way is to use a hot air blower to warm up. Buy some hot air blowers in the greenhouse, the hot air blower can discharge some hot air, and it can also increase the temperature. However, in this way of warming, the temperature rises very quickly, and it must be noted that the temperature cannot be adjusted too high. The temperature is too high and is not conducive to the growth of crops.
Second, place the warming agent
You can buy some greenhouse tempering agents, which will ferment and produce carbon dioxide, which will increase the temperature inside the greenhouse. There are many ways to warm and heat the greenhouse in winter, but these four are the most common. The straw curtain is the most preferred method of warming, and its cost is low, and it does not cost anything, and it takes a long time. The second is to water the crop, which creates a protective layer between the soil and the outside world, which also warms up.
There is also the possibility of burning a coal stove in the greenhouse, or placing a hot air blower in the greenhouse to increase the temperature inside the greenhouse. The last one is to place a warming agent inside the greenhouse, which can also increase the temperature inside the greenhouse.
Third, watering
Watering the greenhouse crops creates a protective layer between the soil and the outside world, which warms up. There is a temperature difference between the soil and the outside world. No matter how the temperature of the outside world changes, the crops in the greenhouse will not be damaged by freezing. To water the greenhouse crops, be sure to pay attention to the water. Too much watering will affect the growth of greenhouse crops. If the soil can maintain a moist state, it is not too dry to water, and a few barrels of water in the greenhouse can also increase the temperature.
Fourth, cover grass curtain
This method is the most commonly used to cover grass curtains in greenhouses, and many farmers are using them. When the weather gets cold, the farmers will cover the greenhouse with straw curtains and prevent them in advance. If the temperature is low at night, cover the straw curtain. Wait until the temperature rises during the day, and then pull the grass curtain apart so that it does not affect the light and does not affect photosynthesis.
Covering the grass curtain to keep the greenhouse warm, the biggest advantage is that the cost is low, no need to spend any money. You can use it for a few years. To increase the temperature and insulation of the greenhouse, we will first consider this method. The key is that it has its own advantages and is cheap.
The above is all the content of today, the weather is getting colder and colder, farmers friends who plant greenhouse crops, this stage to do the insulation and warming work for greenhouse crops, in order to make greenhouse crops safe for the winter.
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