1. Temperature: Lettuce likes cool environment, the most suitable temperature is about 15 to 20 degrees Celsius.When the temperature is high, we should cool down quickly to avoid sunburn caused by high temperature.
2. Fertilizer: It has a great demand for fertilizer, and some organic fertilizer should be applied to ensure that lettuce has enough nutrients to absorb.When fertilizing, the fertilizer can be melted in water and then irrigated in the soil, which can promote its absorption of nutrients.
3. Illumination: When breeding, it should be placed in a sunny place, but the illumination should not be too strong, too strong direct sunlight will cause the leaves of lettuce to turn yellow.However, it can not accept sunshine for a long time, otherwise it will be harmful to its growth.
When watering lettuce, we should give priority to thorough watering without water accumulation.It needs a lot of water, it needs to be watered regularly, and it also needs to keep the soil layer moist at ordinary times, so that it can grow well.There is also when the lettuce leaves appear withered symptoms, that is, the plant is short of water, just water it thoroughly, generally within two days can resume growth.