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Hydroponic culture method of begonia
Speaking of hydroponics, in fact, the plants in No.2 Middle School are all similar. According to the basic common sense, you will make a fuss when you meet a nail. During the operation, water is no longer a problem. There may be many climate and environmental problems.

Hydroponics step

1. Choose robust plants. Here, Bian Xiao doesn't use too many adjectives to describe this robust plant. The leaves are green and thick. 2. Wash the roots and trim them. Hydroponics requires that there should be no impurities in the roots. Therefore, after the plants are separated from the pot soil, clean the soil at the roots with clear water and cut off the aged roots. 3. Disinfection: soak the cleaned roots in potassium permanganate solution for 10~30 minutes, take them out, rinse them with water and dry them naturally. 4. Planting: After the plants are dried, put them directly into the water, and put a little ceramsite or stone under the water to fix the plants. It is advisable to submerge 2/3 roots with water level. 5. Change water: first cultivate with clear water. After the new roots grow, pour out the water and replace it with nutrient solution to ensure the water quality. Pay attention to the dormancy of plants and replace them with clean water. Change the water every 2-3 days at the beginning and every 2 weeks after rooting is stable. Between water changes, if the water quality is clean, it can only be added, not changed.

Matters needing attention

Do not choose transparent containers in the early stage of hydroponics. Backlighting of glass bottles will inhibit the growth of roots and slow down rooting. Branches and leaves need plenty of light, but they don't need strong light. Proper sunshine, temperature and morning light can prevent plants from growing in vain. In the early stage of hydroponics, leaves will wither, which is a normal phenomenon. Depending on the environment, the recovery time varies from a few days to several months. When changing water, the temperature should not be too cold. Especially in winter, the water temperature is equivalent to room temperature.