First, the cultivation method
Some friends who like to eat onions, bought a lot of onions at home at one time, and they secretly rotted carelessly. Don't throw it away because you can't eat it. Actually, it is still useful. You can remove the rotten part of the onion, plant it in a flowerpot and eat it slowly when you grow up!
1. First, remove the rotten part of the onion, peel off the outermost skin, and leave the roots at the bottom. Be careful not to break them.
2. Prepare a flowerpot and soil. The flowerpot should have enough space. The soil should be ordinary, 1/3 put it in a flowerpot. Water the soil, not too much, and keep it moist.
3, the onion root down, planted in the pot *, do not need to bury the whole onion, can be placed on the surface of the pot *.
In this way, after two or three days, the roots of the onion will grow out and the potted onion will survive.
Second, the hydroponics method
Potted onions can be cultivated not only in water but also in water. Just prepare a transparent glass bottle, an onion and a proper amount of water.
1. Clean the prepared glass bottle, and clean the onion roots, and remove the incomplete rotten roots, so as not to breed germs, infect onions and affect survival.
2. Pour the water into the glass bottle, put the onion on the glass bottle mouth so that the root system at the bottom of the onion is immersed in the water.
3. During the maintenance period, you can move to the balcony, let it receive some light properly, and change the water regularly to ensure the water quality is clean. A few days later, the root system at the bottom of the onion not only grew, but also some fibrous roots, and green buds also grew at the top of the onion bulb. At this time, hydroponic onions have successfully survived.
Friends who like onions can try it at home. It can be cultivated for greening and ornamental purposes, and can also be eaten by itself when it is ripe, which is very convenient.