Greenhouse hydroponic cyclic irrigation system and nutrient solution PH value control method
A cycle irrigation, PH value technology, applied in the direction of greenhouse cultivation, botany equipment and methods, multiple fluid ratio control, etc., to achieve the effect of improving control accuracy, increasing production efficiency, and reducing root rot
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[0019] figure 1 The hydroponic circulation irrigation system in the greenhouse comprises: a water supply device, a feeding device, a fertilizer mixing device, an irrigation device, and a control device 4 and corresponding pipelines and lines, and the water supply device communicates with the fertilizer mixing device through a water supply pipeline; The device is connected with the fertilizer mixing device through the feeding pipeline; the irrigation device is connected with the fertilizer mixing device through the main water outlet pipeline, and the irrigation device is connected with the water supply device through the fertilizer returning pipeline; the control device 3 is respectively connected with the water supply device, the feeding device, and the fertilizer mixing device The device and the irrigation device are electrically connected to receive detection information and send control instructions.
[0020] The water supply device comprises a reservoir 17, and a replenish...
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Abstract
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