拔节期—成熟期的固氮量占整个生育期固氮量的70％以上；

The amount of fixed N during jointing—maturing stage was over 70% of whole rice growth stage.

youdao

拔节期—成熟期的固氮量占整个生育期固氮量的70％以上；

The amount of fixed N during jointing—maturing stage was over 70% of whole rice growth stage.

youdao