Tabla de Contenidos: “…Contents note continued: 6.7.2.Influence of the microclimate on growth -- 6.7.3.Growth analysis -- 6.8.Development -- 6.8.1.Introduction -- 6.8.2.Development stages in greenhouse crops -- 6.9.Bioproductivity -- 6.9.1.Bioproductivity and harvest index (HI) -- 6.9.2.Interception of radiation by the crop -- 6.9.3.Efficiency in the use of solar radiation -- 6.9.4.Strategies to maximize the use of radiation -- 6.10.Production Quality -- 6.10.1.Introduction -- 6.10.2.Effects of climate factors on quality -- 6.10.3.Other factors affecting quality -- 6.11.Summary -- 7.Facilities and Active and Passive Climate Control Equipment: Low Temperature Management - Heating -- 7.1.Introduction -- 7.2.Reduction of Heat Losses -- 7.2.1.Reduction of the exchange surfaces -- 7.2.2.Reduction of heat losses per unit surface -- 7.2.3.Total heat losses -- 7.3.Insulation Devices -- 7.3.1.Inflated double cover -- 7.3.2.Mobile thermal screens -- 7.3.3.External double sidewalls -- 7.3.4.Windbreaks --…”