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一、温室内的CO２环境以塑料、玻璃等材料覆盖的塑料棚和温室处于相对封闭状态，内部CO２状况与棚室外大气明显不同。温室CO２浓度的变化取决于作物群体生理活动、土壤微生物呼吸、环境条件和人工管理措施等因素。夜间，由于植物的呼吸作用和土壤有机质分解，室内CO２不断积累?
First, the greenhouse CO2 environment Plastic, glass and other materials covered plastic shed and greenhouse in a relatively closed state, the internal CO2 conditions and the greenhouse atmosphere significantly different. The change of CO2 concentration in greenhouse depends on the physiological activities of crop groups, soil microbial respiration, environmental conditions and man-made management measures and other factors. Night, due to plant respiration and decomposition of soil organic matter, indoor CO2 continue to accumulate?