How to adjust the light intensity, temperature, and carbon dioxide in the greenhouse

Greenhouses come with the continuous development of modern science and technology. Cultivation and planting of greenhouses are the requirements of modern agriculture, and have also brought about earth-shaking changes in agriculture. The biggest advantage of greenhouses is that the greenhouse environment can be set freely. Parameters such as temperature, humidity, light level, and carbon dioxide are controlled by humans. Of course, we should use temperature illuminance recorders, carbon dioxide detectors, and self-documentation in the environment of greenhouses. The hygrometer records the environment, temperature, humidity, carbon dioxide, and illuminance in time.
Photosynthetically active radiation is the source of energy for plant life activities, organic matter synthesis, and yield formation. Green plants synthesize organic matter through light, providing plant growth energy and storage energy. The measurement of the light intensity can be measured using a temperature illuminometer. The intensity of light intensity can affect the photosynthesis of plants, increase the photosynthesis of crops by appropriately increasing or decreasing the light intensity in agriculture, and then increase the light intensity in the measurement environment by using a temperature illuminance recorder. How much light intensity is used when the light intensity is? The following is a brief understanding of the illuminance in units of lumens per meter (lm), also known as lux: 1 Lux = 1 Lm/m2. The unit volume method or the point-by-point method is generally used for calculation. The unit volume calculation method is suitable for uniform general lighting calculations and is often used during the design of the plan. General civil buildings and welfare facilities and small-scale production rooms with good environmental reflection conditions can be calculated using this method. Production plants can use this method to estimate. Let w be the installed power per unit area. When the area of ​​the exposed surface is Sm2, the total installed power is: P=W×S(W). In greenhouses, fluorescent lamps without reflectors are generally used to increase the brightness.
In addition, temperature control can be performed by using a self-recording thermometer and hygrometer. There are many ways to control temperature in greenhouses, such as adjusting the thickness of roof coverings, such as the use of two-membrane sandwiches, double-membrane concrete, and other measures; using “double-shelf”, that is, adding small sheds in greenhouses. The use of black plastic film for the shed is better, and the method for raising the temperature of the furnace is used. However, before the temperature is controlled, the temperature of the greenhouse must be measured first, and then some adjustments must be made. In addition, we often use wind recorders for wind instruments in agriculture. The wind direction wind speed monitor is used to measure the wind direction and wind speed, and is often used in weather detection.

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