Drip irrigation technology makes it easier to control temperature and humidity
release time:
2022-03-15 16:22
The traditional furrow-irrigated greenhouse has a large amount of irrigation at one time, and the surface remains moist for a long time. Not only does the greenhouse temperature and ground temperature drop too fast, but the recovery is slow, and the evaporation increases and the indoor humidity is too high, which is easy to cause vegetable or flower diseases and insect pests. Because drip irrigation belongs to local micro-irrigation, most of the soil surface remains dry, and the dripper evenly and slowly supplies water to the root soil layer, which has obvious effects on maintaining and rising ground temperature, reducing water evaporation, and reducing indoor humidity. The drip irrigation under the film is used, that is, the drip irrigation pipe (belt) is arranged under the film, and the effect is better. In addition, due to the convenient operation of drip irrigation, high-frequency irrigation can be carried out, and the outflow hole is small, the flow rate is slow, the time of each irrigation is relatively long, and the variation of soil moisture is small, so it can be controlled that the soil in the root zone can be kept close to that of vegetables for a long time. , the humidity of the growth of flowers, etc. Due to the control of indoor air humidity and soil humidity, the occurrence of pests and diseases can be significantly reduced, and the amount of pesticides can be reduced.
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