Quality criteria<\/h1><\/div><\/div><\/div><\/div><\/div>RAL-certified products offer suppliers and final consumers greater reliability<\/h2><\/div>Bark products, growing media, potting soils, growing media constituents, substrates for green roofs, substrates for tree planting and expanded clay granules all must satisfy certain quality criteria in order to match up to the guaranteed quality standards of RAL-certified products. For your convenience, we have summarised the quality criteria for each of these categories.<\/p>\n
If you have any\u00a0questions\u00a0relating to the quality criteria, we will be happy to help.<\/p>\n<\/div><\/div><\/div>
G\u00fctegemeinschaft Substrate f\u00fcr Pflanzen e.V.<\/h2><\/div><\/div>\nim Haus der LWK Niedersachsen
\nWunstorfer Landstr. 9
\nD-30453 Hannover<\/p>\n
FON : +49 511 \/ 4818 \u2013 9388
\nFAX : +49 511 \/ 4818 \u2013 287
\nMail: info@substrate-ev.org<\/p>\n<\/div><\/div><\/div>
<\/div><\/div><\/div><\/div><\/span><\/a><\/span>bark products<\/h3><\/div>![](\"https:\/\/www.substrate-ev.org\/wp-content\/uploads\/2022\/10\/guetekriterien-fuer-rindenprodukte-2.jpg\" "\\"guetekriterien-fuer-rindenprodukte\\"")
<\/span><\/div><\/div><\/div><\/span><\/a><\/span>growing media<\/h3><\/div>![](\"https:\/\/www.substrate-ev.org\/wp-content\/uploads\/2022\/11\/guetekriterien-fuer-kultursubstrate.jpg\" "\\"guetekriterien-fuer-kultursubstrate\\"")
<\/span><\/div><\/div><\/div>
RAL-certified products offer suppliers and final consumers greater reliability<\/h2><\/div>Bark products, growing media, potting soils, growing media constituents, substrates for green roofs, substrates for tree planting and expanded clay granules all must satisfy certain quality criteria in order to match up to the guaranteed quality standards of RAL-certified products. For your convenience, we have summarised the quality criteria for each of these categories.<\/p>\n
If you have any\u00a0questions\u00a0relating to the quality criteria, we will be happy to help.<\/p>\n<\/div><\/div><\/div>
G\u00fctegemeinschaft Substrate f\u00fcr Pflanzen e.V.<\/h2><\/div><\/div>\nim Haus der LWK Niedersachsen
\nWunstorfer Landstr. 9
\nD-30453 Hannover<\/p>\n
FON : +49 511 \/ 4818 \u2013 9388
\nFAX : +49 511 \/ 4818 \u2013 287
\nMail: info@substrate-ev.org<\/p>\n<\/div><\/div><\/div>
<\/div><\/div><\/div><\/div><\/span><\/a><\/span>bark products<\/h3><\/div><\/span><\/div><\/div><\/div><\/span><\/a><\/span>growing media<\/h3><\/div><\/span><\/div><\/div><\/div>
Bark products, growing media, potting soils, growing media constituents, substrates for green roofs, substrates for tree planting and expanded clay granules all must satisfy certain quality criteria in order to match up to the guaranteed quality standards of RAL-certified products. For your convenience, we have summarised the quality criteria for each of these categories.<\/p>\n
If you have any\u00a0questions\u00a0relating to the quality criteria, we will be happy to help.<\/p>\n<\/div><\/div><\/div>
G\u00fctegemeinschaft Substrate f\u00fcr Pflanzen e.V.<\/h2><\/div><\/div>\nim Haus der LWK Niedersachsen
\nWunstorfer Landstr. 9
\nD-30453 Hannover<\/p>\n
FON : +49 511 \/ 4818 \u2013 9388
\nFAX : +49 511 \/ 4818 \u2013 287
\nMail: info@substrate-ev.org<\/p>\n<\/div><\/div><\/div>
<\/div><\/div><\/div><\/div><\/span><\/a><\/span>bark products<\/h3><\/div><\/span><\/div><\/div><\/div><\/span><\/a><\/span>growing media<\/h3><\/div><\/span><\/div><\/div><\/div>
\n
im Haus der LWK Niedersachsen
\nWunstorfer Landstr. 9
\nD-30453 Hannover<\/p>\n
FON : +49 511 \/ 4818 \u2013 9388
\nFAX : +49 511 \/ 4818 \u2013 287
\nMail: info@substrate-ev.org<\/p>\n<\/div><\/div><\/div>
<\/div><\/div><\/div><\/div>
<\/span><\/a><\/span>bark products<\/h3><\/div>
bark products<\/h3><\/div><\/span><\/div><\/div><\/div><\/span><\/a><\/span>growing media<\/h3><\/div><\/span><\/div><\/div><\/div>
<\/span><\/div><\/div><\/div><\/span><\/a><\/span>growing media<\/h3><\/div>
growing media<\/h3><\/div><\/span><\/div><\/div><\/div>
<\/span><\/div><\/div><\/div>![](\"https:\/\/www.substrate-ev.org\/wp-content\/uploads\/2022\/11\/guetekriterien-fuer-blumenerden.jpg\" "\\"guetekriterien-fuer-blumenerden\\"")
<\/span><\/div><\/div><\/div>![](\"https:\/\/www.substrate-ev.org\/wp-content\/uploads\/2022\/11\/guetekriterien-fuer-blaehton.jpg\" "\\"guetekriterien-fuer-blaehton\\"")
<\/span><\/div><\/div><\/div>![](\"https:\/\/www.substrate-ev.org\/wp-content\/uploads\/2022\/10\/guetekriterien-fuer-substratausgangsstoffe.jpg\" "\\"guetekriterien-fuer-substratausgangsstoffe\\"")
<\/span><\/div><\/div><\/div>![](\"https:\/\/www.substrate-ev.org\/wp-content\/uploads\/2022\/11\/guetekriterien-fuer-dachsubstrate.jpg\" "\\"guetekriterien-fuer-dachsubstrate\\"")
<\/span><\/div><\/div><\/div>![](\"https:\/\/www.substrate-ev.org\/wp-content\/uploads\/2022\/11\/guetekriterien-fuer-baumsubstrate.jpg\" "\\"guetekriterien-fuer-baumsubstrate\\"")
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