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首页> 外文期刊>植物工场学会誌 >A simplified temperature control system of the unit-type multistage transplant culture system for using a small-sized refrigeration chamber as the closed transplant production system.
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A simplified temperature control system of the unit-type multistage transplant culture system for using a small-sized refrigeration chamber as the closed transplant production system.

机译：单元型多阶段移植培养系统的简化温度控制系统，该系统使用小型冷藏室作为密闭移植生产系统。

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摘要

A simplified temperature control system for the unit-type multistage transplant culture system was developed and applied to tomato transplant culture using a small-sized refrigeration chamber. The transplant culture unit was installed into the chamber maintained at approximately 15 degrees C. Air temperature inside of the culture unit rose to a higher temperature than the outside during the photoperiod. When the temperature inside of the culture unit reached a set point of 25 degrees C, ventilation fans located above the transplants were turned on with a temperature controller, thereby decreasing the temperature inside the culture unit. The fans were turned off when that ventilation reduced the temperature inside of the culture unit below a predetermined temperature. In this manner, the culture unit temperature was controlled between 24.5 and 26.5 degrees C during the photoperiod even though the outside temperature fluctuated between 13.5 and 17.5 degrees C. After culture of 16 days, height of the tomato transplants in winter season culture were significantly more developed than in summer season culture, despite use of the semi-closed chamber of the equal temperature setting and artificial lights for both cultures. We infer that such growth resulted from the higher relative humidity in the winter culture than in the summer culture by seasonal variation of cooling load and refrigerator ability. The relative humidities inside of the culture unit in the summer and winter season cultures were 40 and 60%, respectively.
机译：开发了用于单元型多阶段移植培养系统的简化温度控制系统，并将其应用于使用小型冷藏室的番茄移植培养。将移植培养单元安装在保持在约15℃的室中。在光周期期间，培养单元内部的空气温度升高到比外部更高的温度。当培养单元内部的温度达到25摄氏度的设定点时，使用温度控制器打开位于移植物上方的换气扇，从而降低培养单元内部的温度。当该通风将培养单元内部的温度降低到预定温度以下时，关闭风扇。以这种方式，即使外界温度在13.5至17.5℃之间波动，在光照期间将培养单位温度控制在24.5至26.5℃之间。培养16天后，冬季培养中番茄移植物的高度显着更高。尽管使用两种温度均等设置的半封闭腔室和人工照明，但比夏季养殖更发达。我们推断，这种增长是由于冷却负荷和冷藏能力的季节性变化而导致，冬季文化中的相对湿度高于夏季文化中的相对湿度。夏季和冬季季节培养中培养单元内部的相对湿度分别为40％和60％。

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