5. 化學農藥
優點 Advantages
立即處理 Instant control 長效性 persistent and efficient
便宜易取得 Cheap, easy to get 經濟性 economic
濫用後果 Consequences of misuse
傷害天敵 Natural enemy 破壞平衡damages the equilibrium of ecosystem
抗藥性 Drug resistance 過量與汙染 leads to overdose and pollution
生物聚積 Bioaccumulation 傷害健康 impact on health