Environmental factors affecting growth of bacteria ●1. Nutrients ●2. Temperature 3. hydrogen ion concentration(ph) Oxygen Requirements:氧气、二氧化碳 ●5.0 smotic pressure渗透压Environmental factors affecting growth of bacteria ⚫ 1. Nutrients ⚫ 2. Temperature ⚫ 3. hydrogen ion concentration ( pH ) ⚫ 4. Oxygen Requirements:氧气、二氧化碳 ⚫ 5. Osmotic pressure 渗透压