1. Climate: You could spray more water to improve the humidity when encountering dry climate and spray less water on moist climate.
2. The temperature of mushroom greenhouse: When the temperature is above 25 degrees, you could spray water after the temperature drops in the morning or at late night.
3. Moisture retention of mushroom greenhouse: Spray more water on the mushroom house which owns poor moisture retention, conversely less.
4. The degree of dry and wet on fungus sack: Spray more water on dry sacks and do it not too often.
5. The strong and weak consistency of mushroom spawn: Be sure to spray more water on spawns which hold strong consistency.
6. Mushroom quantities: More water is needed on the surface that grows more robust mushrooms.