Photocatalytic Degradation of Triazine Herbicides in Agricultural Water Using a Fe<sub>3</sub>O<sub>4</sub>/SiO<sub>2</sub>/TiO<sub>2</sub> Photocatalyst: Phytotoxicity Assessment in Pak Choi.

In an experiment using ozone to decompose prometryn, the toxicity of the degradation products increased during the initial 0–3 min and exceeded that of the parent compound, followed by a decreasing trend during the 3–30 min, ultimately reducing to about 52% of the parent compound’s toxicity.

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