Les ennemis de la pomme de terre: Maladies bactériennes

• Documentary

• 10 Mins
• 1949
• en

• star5.0/ 10

Bacterial diseases are caused by infinitely small beings, called microbes or bacteria, and are accompanied by physiological disorders such as hollow heart, black heart, etc. This documentary presents the main characteristics of these diseases as well as means of repression or prevention.