tailieunhanh - Micro climate control in greenhouse

Microclimate of green houses is important for better plant growth and greater yield. The dynamic behavior of the greenhouse microclimate is a combination of physical processes involving energy transfer and mass balance. The greenhouse microclimate can be manipulated by control actions, such as heating, ventilation, carbon dioxide enrichment to provide appropriate environmental conditions for crops. These modifications imply the additional use of energy in the production process. Because of its complexity, excessive climatic conditions in greenhouses can adversely affect the growing environment for crops. An optimal ambient control is needed to accomplish complicated processes involved in greenhouse energy balancing, including low emissions and reduced production costs. In this paper the information available on microclimate parameters involved in greenhouse, methods to control them and their impact on the crops grown in the structure are presented. | Micro climate control in greenhouse

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