Wiktionary
herbicidal
a. 1 of, or relating to herbicides 2 having the ability to damage or destroy plants, especially weeds
Usage examples of "herbicidal".
So the thin clean air of Heaven, high above the winds that carried the herbicidal dusts, was reserved for the agricultural robots which tilled its soil.
Johnny stood in the doorway, still cradling the herbicidal bomb, the orbicular symbol and the reality of his power.