Evaluation and application of heat and mass transport process for advancing plant production systems

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In order to advance highly plant production systems, three study themes in relation to heat and mass transport processes were examined. In the first theme, evaporative demand in the greenhouse was quantitatively analyzed and further its impact on plant water relation was evaluated. In the second theme, temperature control of growing fruit brought increasing Brix in the outer region of the fruits. This suggests that avoidance of excessive high temperature can improve the fruit quality in hot summer season. In the third theme, the underground water pipe system was improved and then the oil use by the heat in the greenhouse was reduced by 47% during the winter season.