How to Control Soil Moisture in Greenhouses

How to Control Soil Moisture in Greenhouses
Soil moisture and temperature are the two most important factors in the soil environment, which directly affect the soil microbial activity, soil fertility release, and affect the absorption of water and nutrients by roots, especially in dry seasons and regions, cold seasons and regions, soil Moisture and temperature adjustments are even more important. However, the uncontrollability of natural precipitation (the amount of natural precipitation can be measured by a self-determination rain gauge) will seriously affect the growth of crops. The annual drought in southwest and north China causes inestimable crop yields and sometimes even zero production. This is extremely unfavorable for agricultural development. In order to increase the yield of crops, and also to increase the types of agricultural products, the development of science and technology has brought us greenhouse cultivation. The most direct effect of greenhouse cultivation is to ensure that greenhouse temperature, moisture and other factors, can ensure the crop's most suitable production.
Greenhouse planting needs to control the temperature and humidity inside, as well as the light intensity, and turn the environment inside into an all-encompassing environment suitable for plant growth. Here we will introduce the control of the moisture in the greenhouse. The moisture control can be controlled through the wireless moisture and drought management system and the wireless public opinion monitoring system. The most important function of the wireless public opinion monitoring system is to measure the moisture content of the soil in time. If the moisture content is too high or too low, the moisture will affect the crop. Control can get timely feedback.
The technology of water saving in seepage irrigation is to bury the macromolecule micropore tube in the ground or on the ground surface, use low-pressure water to infiltrate the moist soil, and then use the pores of the soil to spread the water and nutrients into the surrounding soil for absorption by the root of the crop. use.
The polymer micro-porous pipes are arranged according to the crop planting lines, one for each line or two lines, depending on the actual planting situation. The permeation tube is close to the root and laid on the surface of the soil or buried underground. The surface of the permeation tube can be covered with a plastic film. The length of the permeation tube is 30 to 50 meters, and the pressure of the water source is 0.05 to 0.10 Pa. Irrigate one or two times a day for 15 minutes each time. Compared with other water-saving equipment, it can increase production by 30%, and has lower water quality requirements and is less likely to be clogged. For soil moisture measurement, we can use a soil moisture recorder, which can record soil temperature, soil moisture, atmospheric temperature, atmospheric humidity, and dew point in real time. The instrument is small and exquisite and can be carried to outdoor operations.

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