POTASSES D'ALSACE

Potassium, an element of high mobility, plays an important role in the synthesis, translocation and accumulation of sugars in berries and perennials. It is involved in the neutralization of organic acids, playing an important role in the acidity and pH of must and wine. It participates in the water economy, promotes its absorption by the roots

CLASSIFICATION OF THE POSTERS ACCORDING TO THEIR CONSERVATION (in bold the one corresponding to this poster):

A+ Is a flawless example of a poster rarely seen in such fine condition.

A  Designates a poster in very fine condition. There may be some tears on the margins, but not noticeable. No paper loss. Colours are fresh and has no blemish.

A- There may be some slight fold marks, tear or other minor defect, but most unobtrusive. Successful restoration if restored.

B+ If some restoration it is not immediately evident.

B  Designates a poster in good condition. There may be some tears. Blemish or paper loss, but not in any crucial design area. Colours are fresh and the poster has a very good appearance.

B- Restoration may show some defects. Colours along the fold marks are faded.

C+ Restorations are visible.

C  Designates a poster in fair condition. Tears, blemish, fold marks and or paper loss are more pronounced or may slightly affect the image of the poster. Colours may be faded.

C- Requires restoration.