When the grasslands are cut, almost all emissions of VOC are enhanced for moderated and heavy grazed grasses, and isoprene emission is also enhanced around the noon.

• 剪草增大了绝大部分VOC组分的排放、以及过度和适度放牧草地VOC的排放，剪草可以造成过度和适度放牧草地异戊二烯排放在中午前后的增加。