As for the explanation of the stimulation above, it possibly accounts for it that these two herbicides could be used as carbon resource by microbes and thus activated the organism and ultimately enhanced the enzyme activity.

• 至于高剂量的除草剂对过氧化氢酶活性有激活作用，这可能是因为这些除草剂可以被微生物作为碳源，刺激了微生物的活动，而表现出一定的激活效应。