How to plant hydroponic lettuce 1 and make hydroponic boxes
If you want to hydroponic lettuce, you need to make a hydroponic box first, prepare a watertight box first, and then prepare a foam floating board, and dig a few small holes with certain spacing on the foam floating board. The hole should not be too big, so that the lettuce roots can be completely put in.
2. Lettuce treatment
Prepare lettuce with strong roots, wash the soil on the surface of its roots with clear water, then comb it a little, cut off some weak roots and residual roots, and disinfect it with potassium permanganate. This is to eliminate germs and reduce the death rate of hydroponic lettuce with rotten roots.
3, hydroponic cultivation
Water is added into the hydroponic container, then the root system of lettuce is fixed in the holes of the foam floating plate, and then the lettuce is put into the water together with the floating plate to make the root system of lettuce contact with the water, and an appropriate amount of nutrient solution can be added into the water, which is beneficial to the vigorous growth of lettuce.
4. Maintenance methods
After hydroponic lettuce is planted, it needs to be well maintained and managed. It is best to keep it in a ventilated and cool environment with a temperature of about 20℃. After that, it is necessary to change the water to avoid long-term water quality deterioration. When cultivating with tap water, it is best to let the water stand for two days before using it.