The elevated CO2 could change the global carbon balance, it is essential to study the response of vegetation to the elevated CO2 concentration.
CO2排放量的增加将改变全球生态系统碳平衡。植物对CO2浓度增加的响应是个重要研究课题。
The effects of elevated CO2 concentration on dry matter allocation and nutrient contents of red birch seedlings were studied under two planting densities in controlled environment Chambers.
采用控制环境生长室研究了2个密度水平下CO2浓度升高对红桦幼苗干物质分配与营养的影响，并分析了红桦干物质分配与养分浓度的关系。
The study showed that under the double CO2 concentration, sufficient nitrogen, and no other condition stress, the ratio between root and crown can not be affected by elevated CO2 concentration.
对红皮云杉与白扦研究表明，在CO_2浓度倍增条件下，氮素营养供应充足，其他条件不受到限制时，植物的根冠比不受到大气CO_2浓度升高的影响。
应用推荐