The breeding and cultivation techniques of dandelion

In the Spring Festival of 2002, a dandelion planted in a supermarket in Jinan is priced at 80 yuan per 5 kg. Dandelion will become a new fashion on the table.

1. How to get seeds from wild dandelion?

Dandelion is a perennial ratooning plant. It can flower and produce seeds in two-year-old plants. It is a flowering and seeding stage in early summer. The number of flowering per plant increases with the growth period, and the number of flowering per plant is more than 10, and the seeds are 13-15 days after flowering. That is mature. The disk shell changes from green to yellowish green, and the seed can be harvested when it changes from milky white to brown, and must not be harvested when the disk is cracked. Otherwise, the seeds are easily scattered and lost more. In general, the number of seeds per head is more than 100. The leaf weight of dandelion seed is about 2 grams, and the weight of lobular dandelion seed is about 0.8-1.2 grams.

The dandelion discs can be taken off when they are harvested, stored one day after being stored in the room, until the discs are all spread out, and then dried and dried for 1-2 days until the seeds are half dry, the seeds of the tips of the fluff are picked off by hand, and then the seeds are dried. In places where dandelion is rich in wild resources, it can also be rooted. Usually in October, roots are planted in greenhouses. The spacing is 8 cm 3 cm. After planting, water is poured in enough water until the following February. The organic fertilizer can be applied once more.

2. How does the dandelion seed germinate? How to sow?

Mature dandelion seeds do not have a dormant period. When the temperature is above 15 degrees, seeds can be sowed in moist soil. After about 90 hours you can germinate. When the seed temperature is about 15 degrees, it germinates faster. When it is above 25-30 degrees, it germinates slowly, so it can be sown from early spring to midsummer.

According to the test results, it is known that sowing seeds immediately after harvesting at the end of May will take 10-20 days from sowing to emergence, and sowing to summers from July to August will require 15 days from sowing to emergence. The sowing rate is generally 3 grams per square meter. About 700-1000 strains can be maintained.

Before planting dandelion, it should be turned to earthworms. The width should be 80-90 centimeters. Shallow ditch should be opened within the raft. The distance between the ditch should be 12 centimeters and the ditch should be 10 centimeters wide. The seeds were then sown in the trenches and soiled after sowing. The soil thickness was 0.3-0.5 cm. When sowing is required, the soil is moist, such as the soil is dry, and it is irrigated two days before sowing. Spring sowing is best to cover the film, summer rain is sufficient, it can not cover.

3, how dandelion fertilizer management?

Dandelion is resistant to disease, drought and insects, and generally does not require pest and disease control. The focus of field management is mainly on fertilizer and water. Although dandelion does not require strict soil conditions, it still prefers fertile, moist, loose soils with high organic content. Therefore, when planting dandelion, 17-20 kilograms of ammonium nitrate must also be applied as base fertilizer. After sowing, we must always maintain proper moisture in the soil. In the growing season, you need to top-up 1-2 times. In the year of sowing, generally no leaves were collected to promote its luxuriant growth, so that the next year's early spring plant sprouts stout, pumping good quality, high yield of young leaves.

How does dandelion grow early?

In the early spring when the topsoil reached a depth of 1-2 degrees at a depth of 5 cm, the dandelions planted in the previous year began sprouting. Generally, before the Ching Ming Festival, the sprouts are exposed on the ground. At this time, the length of the "white buds" in the soil is already 3-4 centimeters. Therefore, the wild dandelion is generally available before and after April 20th. There are few fresh leaves on the market at this time. Vegetables and vegetables are very popular with consumers.

Artificial dandelion grown in sheds, due to improved fertility environmental conditions, so the market earlier than the wild, so that the market for the more practical supply of vegetables.

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