ZERYA® – Zero Residue of Pesticides Agriculture Certification
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What is ZERYA® certification and what does it include?
ZERYA® is a voluntary certification scheme that focuses on agricultural production without detectable pesticide residues (below 0.01 ppm according to EC Regulation 396/2005). Certification includes the implementation of good agricultural practices, the use of natural methods of plant protection, regular laboratory tests and audits by independent certification bodies. The program supports innovative and sustainable cultivation methods, minimizing environmental impact and ensuring high quality yields.

For whom is ZERYA® certification relevant?
ZERYA® is designed for producers of fruits, vegetables, cereals and other agricultural products who want to stand out in the market by offering food free of pesticide residues. The system is suitable for conventional and organic farms, processors, distributors and companies exporting to demanding European markets.
Benefits of ZERYA®
- Guarantee that products are free of pesticide residues above the detection threshold.
- Increase consumer confidence and access to premium markets.
- Supporting sustainable agriculture and environmental protection.
- Optimize production costs through better resource management.
- The possibility of marking products with the ZERYA® mark, which distinguishes them on the market.
- Compliance with export requirements and the environmental strategy of retail chains.
Why choose Kiwa for your ZERYA® certification?
Kiwa is an independent, accredited certification body with experience in food and agricultural quality systems. It offers a transparent certification process, expert support at every stage, and regular audits and laboratory testing. The ZERYA® certificate issued by Kiwa is recognized in the national and international markets, which increases the manufacturer's credibility and facilitates access to new customers.
Process steps
Application and registration
The manufacturer reports its willingness to join the ZERYA® system and prepares documentation.
Implementation of good practices
Introduction of ZERYA® requirements on the farm, including natural methods of plant protection and residue monitoring.
Laboratory tests
Regular testing of products for pesticide residues in accredited laboratories.
Certification audits
An independent certification body conducts an on-site audit.
Certificate Issuance
After positive verification, a certificate is issued for a certain period of time.
Supervision and recertification
Annual audits and testing ensure that compliance with the requirements of ZERYA® is maintained.
Applicable Standards and Regulations
ZERYA® Standard – Free of Pesticide Residues
Visit the website of the ZERYA® Standard ownerGlobalG.A.P. Requirements (for selected crops)
EC Regulation 396/2005 (maximum levels of pesticide residues)
Good Agricultural Practices (GAP)
FAQ about ZERYA®
Who can apply for the ZERYA® certificate?
Certification is available to producers of fruits, vegetables, cereals and other crops, both conventional and organic, who want to offer products free of pesticide residues.
What are the main requirements of the ZERYA® system?
It is required to implement good agricultural practices, use natural methods of plant protection, regular laboratory tests and meet the threshold of detection of pesticide residues below 0.01 ppm.
For what period is the ZERYA® certificate issued?
The certificate is issued for a specific period of time (usually 12 months) and requires annual audits and laboratory tests.
Does ZERYA® exclude the use of plant protection products?
The system does not prohibit the use of plant protection products, but regulates their use so that there are no detectable pesticide residues at the time of harvest.
What are the benefits for consumers?
Consumers are assured that the products are safe, free from harmful chemical residues, and that their production supports sustainability and environmental protection.