When do you plant onion seeds as an anti-cancer vegetable? When will you collect it? How long will it take to sprout? How do you plant it?

As the saying goes, "immortal spring onions and undrowned cabbages", we can see how drought-resistant green onions are. Green onion is a popular vegetable in China, especially in the north, many people like to eat it raw, and can prevent cancer, detoxification and so on, so the economic value is extremely high, and the fruit green onion seed is no exception. When will the green onion seed be planted? When will you collect it? How long will it take to sprout? How do you plant it?

When will the green onion seeds be planted? When will you collect it?

1. Autumn planting time: sowing in the first ten days of September in the first autumn, overwintering with seedlings, planting in the first and middle of May in the second year, harvesting before winter, overwintering in cellar or open field, drawing lots to blossom in the spring of the third year, and harvesting seeds in the second season. The seedlings can be listed as spring onions from the first ten days of May to the end of June; they can also be planted in flat border (matching green onions) or narrowed row spacing into gully spring onions before and after the Beginning of Summer, or as early spring shallot supply after overwintering.

2. Planting time in spring: sowing seeds after soil thawing in early spring, supplying spring onions before hot summer, or harvesting as dried onions or gully onions in the same year after planting. It can also be used for overwintering as shallot or as a seed plant.

3. Summer planting time: most of the sowing time is from late July to early August, so it is also called spring onion. The plant is larger when it is overwintering in that year. It is easy to complete the vernalization process, sprouts early and blossoms quickly in the next spring. It usually goes on the market after being followed by scallion.

Second, how many days will Welsh onion seeds germinate?

Green onion seeds usually germinate in about ten days after they are planted, but the seeds must be treated well before planting. The specific method is to soak and disinfect the seeds before sowing, which can improve the germination rate and seedling emergence rate. Soak the seeds in clear water for 10 minutes, remove the impurities from the blighted seeds, blanch the seeds in warm water of about 65 °for 20 minutes, and stir continuously, or soak them in 0.2% potassium permanganate solution for 20 minutes, then rinse them with clean water, which can kill the germs on the seed surface. Seed soaking can be unearthed 1 or 2 days in advance.

Third, how to plant green onion seeds?

1. Sowing time: there are differences in sowing time due to different climatic conditions in the north and south of the country. The best time to determine the size of seedlings before overwintering is that they are easy to bolt in spring after vernalization, but they cannot survive the winter safely if they are too small. The standard of seedlings before winter is to grow into two leaves with one heart.

2. Arrange the seedbed: the seedbed should choose the land that is flat, fertile, close to the water source and convenient for drainage, shallow ploughing and fine raking, 50 kg per mu of compound fertilizer as base fertilizer, 2.5 kg per mu of Fulandan and 0.5 kg of carbendazim powder to kill underground pests and bacteria.

3. Sowing method: take out the cover soil from the border before sowing, then irrigate the border with enough water, after the water seeps, mix the seeds with sandy soil, sprinkle it twice in the border, and finally cover the soil with a thickness of 1.5-2 cm. The amount of seeds used in the seedling field is 1.3 kg per mu, and it can be transplanted to 3-5 mu.

4. Timely planting: spring onions sown in summer were planted in the first and middle of September, and spring onions in autumn were planted in March to April of the following year. Row spacing 80 cm, plant spacing 1.5-2 cm, trench planting. The onion seedlings were strictly graded before planting, and then treated with chemicals to eliminate root maggots and ensure the whole seedling.

5. Rational watering: after planting, the management center of Welsh onion is to promote roots. Watering should be controlled, drainage and waterlogging should be prevented after rain to prevent rotten roots, yellow leaves and dead seedlings. After transplanting, such as continuous rain will lead to rotten roots and dead seedlings, we should pay attention to timely drainage. In case of high temperature and drought, it should be watered to cool down.

6. timely topdressing: topdressing "leaf-attacking fertilizer" after autumn, 1500kg / mu of rotten farm manure and 20kg / mu of superphosphate. After White Dew, combined with watering, "attacking plant fertilizer" was applied twice, with 15kg urea and 10kg potassium sulfate per mu.

7. Timely soil cultivation: soil cultivation is an important measure to soften leaf sheath, prevent lodging and improve the yield and quality of onion. From the beginning of the autumn festival to the harvest, generally cultivate the soil three times, the first two times combined with mid-ploughing, the ridge soil will be choked into the green onion ditch, the End of Heat will fill the ditch.

Fourth, what kind of green onion seed should be chosen?

1. Spring onion: its root is white, the stem is green, the leaf is green, and it tastes sweet when eaten raw. It went on the market in April.

2. Improved onion: it is grown with spring onion seedlings at the end of autumn. When the spring onions are on the market, the improved onions will be on the market to make up for the deficiency. The improved grape is spicy, with long leaves and dark green leaves.

3. Gully onion: the stem is thick and the stem is white, but the leaves are always inedible.

4. Green onion: it is a kind of old onion listed after Frosts Descent. This kind of onion is generally planted densely, and there is no geotechnical engineering or less soil in the growth.

5. Shallots: thick leaves, white onions for pure white, strong tillering ability, light spicy taste, good quality.

6. Spring onions: White and sweet, strong tillering ability, short green onion leaves, poor quality.

7. Scallions: mostly cultivated in the south, with soft taste and light taste, mainly eating onion leaves. Green onions in accordance with the length of growth time in the northern region, there are shallots, improved onions, gutter onions, green onions, green onions and other varieties.

8. Sheep's horn onion (also known as yellow onion): it is made up of small green onion leaves and grows in a greenhouse pool. the leaves are golden, the stems are white and the taste is fresh and tender.

9. Scallion: it is the onion that is not mature enough in the first year and left on the market at the beginning of spring next year. The stem is white, the leaf is green, the leaf is thick, and it is very spicy when eaten raw.