olychlorideproductsshallbeprohibited.anicproductsshallnotexceedof5%ofthenationalhygienicstandardforthespecificresiduedetected.Concentrationofheavymetalshallnotexceedthelimitsforthespecificresiduedetectedinrelevantproducts.4.2.6SoilandwatererosioncontrolandbiodiversityprotectionProactiveandpracticalmeasuresshallbetakentopreventwaterandsoilerosion,landdesertification,excessiveorunreasonableuseofwaterresources.Whenutilizationofsoilandwaterresourcesisconcerned,adequateattentionshallbegiventosustainableutilizationofresources.Clearandpracticalmeasuresshallbetakentopreventsoilsalinization.Useofstrawstocoversoilorintercroppingpracticesshallbeencouragedtopreventsoilexposure.Priorityshallbegiventoprotectecologicalenvironmentandbiodiversity.Protectionofnaturalenemiesandtheirhabitatsshallbeemphasized.
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