primary production造句

1、Shorter light incubation time always causes high primary production and assimilation number.
短的曝光时间往往带来高的初级生产力和同化系数。

2、Primary production is gained in this research.
在这方面的研究已经获得了初步成果。

3、It was shown that wetland water was a key factor affecting primary production in wetland ecosystem.
湿地水分条件是影响湿地生态系统初级生产力的决定因素。