The influence of soil nature on polyphenols in walnut tissues. A possible explanation of differences in the expression of walnut blight Pascal Radix, Catherine Bastien, Christian Jay-Allemand, Gérard Charlot and Françoise Seigle-MurandiAgronomie, 18 10 (1998) 627-637DOI: https://doi.org/10.1051/agro:19981002