Residues of pesticides in ornamental crops

- Edible plants must comply with European MRL. - Blacklists components or maximum number of components. - Retail demands, blacklists, ARfD, banned chemicals of WHO and certificates. - Forbidden neonicitinoïden for retail. - Side effects of active substances on integrated pest management. - Irrigation water must be free of pesticides to prevent crop damage. - Residue-free water, before reuse of drainage water.