http://www.ile-de-france.chambagri.fr/pro77/rep-agronomie/grande_culture/files/180723_Note_technique_colza_associe.pdf
https://www.terresinovia.fr/documents/20126/156018/Synthese-CASO-2021_compressed.pdf/17dc488b-d79a-f8f5-6005-66e3855c621a?t=1616755874576
