摘要
对日光温室内二氧化碳浓度进行了水平和垂直方向变化研究,结果显示:水平方向上,日出后二氧化碳浓度迅速降低,12点左右降到最低,随后逐渐升高,呈现为U字型;垂直方向上,接近地面的二氧化碳浓度高,随着高度增加浓度降低,在株高一半时浓度降到最低,之后逐渐回升,呈现勾状。
The change of carbon dioxide density in horizontal and vertical direction in greenhouse were studied. The resultshowed that horizontal side upward, the density of carbon dioxide rapidly reduced after the sunrise, about 12 o＇clock it falled to the lowest, afterwards the density gradually elevated, it presented U shape; In the vertical direction, the density of carbon dioxide approaching the ground was high, along with height increasing, the density was reducing, it reduced to the lowest at half height of plants, it gradually rised again afterwards, presented cancelsthe shape.
出处
《天津农业科学》
CAS
2012年第2期114-118,共5页
Tianjin Agricultural Sciences
关键词
二氧化碳
分布
水平
垂直
carbon dioxide
distribution
horizontal
vertical
