on non-targeted plants through wind-blown spray drift or from the use of herbicide-contaminated material (such as straw or manure) being applied to the soil. Herbicides can also cause phytotoxicity in crops if applied incorrectly, in the wrong stage of crop growth, or in excess. The phytotoxic effects of herbicides are an important subject of study in the field of ecotoxicology.

Heavy Metals

Heavy metals are high-density metallic compounds which are

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