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Safe use of treated seed and storage advice

With the use of treated seed you must observe precautions for your own safety and the protection of the environment. On this page you find more information about these precautions. Further you find information on how to best store your seeds.

1. Advice safe use treated seed


In general: Do not use treated seed for human or animal consumption or for processing. Keep out of reach of children, livestock and wildlife. Handle seed packages carefully. Avoid contact with skin and respiratory tract and wear suitable protective equipment during seed handling and equipment cleaning. Wash hands and exposed skin before meals and after work. Remove any seed spillages. Keep treated seed away from surface water.

Before sowing
When opening seed bags and during, filling or emptying of the drilling machine, avoid dust exposure. Avoid transfer of dust from the seed bag into the sowing machine. Do not treat the previously treated seed with additional products.

At sowing outdoors
When using a pneumatic drilling machine, dust from treated seed should be directed to the soil surface or into the soil through deflectors. Sow at the recommended seeding rate. To protect birds and mammals, treated seed must be covered by soil, also at row ends.

After sowing
Do not leave empty bags or left-over treated seed in the environment. Dispose of them according to local legislation. Ensure that left over treated seed is returned to their original bags and do not use empty seed bags for other purposes.

Safe use of treated seed explanation of icons

European Seed Association

These precautions are prepared by the European Seed Association, www.euroseeds.org

Information in other languages
For information in other languages, download the pdf below, or go to

 Informatie in het Nederlands.

Safe use information in other languages

2. Storage advice for seeds

Guidelines for storing seeds in the unopened Rijk Zwaan packaging, from transport and storage to the moment of sowing.

Storage conditions

  • Store the unopened packaging in a dry place and at a constant temperature of 15 degrees Celsius and 30% relative humidity, preferably in the original cardboard box.

  • Storage at temperatures outside of the range of 5 to 20 degrees Celsius and/or at a relative humidity of more than 40% will negatively impact the seed quality. Therefore, it is important to protect the unopened packaging from exposure to direct sunlight, rain, high temperatures and/or high humidity.

  • Do not open the packaging until just before you are ready to sow. The seeds have a limited shelf life once the packaging has been opened.

Check the packaging for any exceptions to the above guidelines.

Storage of seeds advice