What vegetables can be harvested for many years only by planting them once?

Bergamot is called Poplar Luffa here, and farmers often plant it. If a simple melon rack is built, vines will climb everywhere and yield is high. Moreover, after the fingered citron seedlings emerge for the first time and the vines fall, the root leeks are covered with some loose hairs or hay, which is a one-time planting and can be harvested several times a year. It can be harvested continuously for many years. Leek is a common vegetable in the market, and it is also a favorite vegetable of many people on the table. Leek is usually planted in spring, and two or three crops can be harvested in that year.

Bamboo shoots, as the saying goes: "once a year, the mother bamboo shoots enter the door every two years." Now there are thunder bamboo shoots in the first month, bamboo shoots are picked in March, and bamboo shoots are picked in early April, so you can keep your feet healthy in the long summer. Since then, bamboo shoots, winter bamboo shoots in late autumn! Dig and eat until next spring. Onions are divided into green onions and mountain onions. Mountain onions are smaller than green onions. After a tree is cut down, it will grow into a cluster, that is, more, and then planted separately in the ground, it will print more and more and become a large piece.

Pteridium aquilinum is a common wild vegetable in Northeast China and a perennial herb. It can be transplanted in autumn, and it is also root transplantation. Pteridium aquilinum wilted on the ground. When digging roots, it can be planted in ditches or holes: it should be regarded as a woody vegetable, and the young leaves of Toona sinensis are picked from trees to eat. There is a Toona sinensis tree several feet high in our hometown. This vegetable is not only easy to cook, but also delicious. Can be directly cold (fried with boiling water), Toona sinensis fried eggs are a favorite dish for adults and children. Houttuynia cordata Thunb is a traditional wild edible plant loved by people in Yunnan, Guizhou and Sichuan. The roots of auricularia auricula can be seen everywhere in the fields, roadsides, ditches and wet wasteland. Choose a plot with deep, fertile, loose and moist soil.

It is recommended that you plant your own leek for 5 ~ 6 years, and you must replant it. At the same time, we should pay attention to prevent leek maggots and not harvest them too frequently. It is also necessary to plant new roots after harvesting and sow plant ash. It is convenient to grow shallots. You don't have to plant them in the garden. You can find a flowerpot or bucket and put it on the balcony or in the sunny yard. Then you can decorate the soil, mix some farmyard manure and insert onions.