What kinds of asparagus do you have? How to raise seedlings?

This kind of vegetable is very popular with consumers in the market. Garlic is fragrant and delicious when fried, so many farmers will grow it at home. So what are the varieties of asparagus? How to raise seedlings? Next, the editor will tell you.

What are the varieties of asparagus?

1. Rabdosia angustifolia

This variety has thick stems, yellow and white stems, few branches, good quality and high yield, so it is suitable for cultivation in fertile fields. Planting in dry land requires frequent watering until harvest. The yield per mu will reach 5000 kilograms.

2. Thai varieties

This kind of spinach is resistant to heat and waterlogging, and it will grow vigorously under high temperature and humidity in summer, but it is not resistant to cold, so it is suitable for high-density cultivation. Its twigs can be harvested continuously for 2-3 months, its taste is rich, the quality is good, the yield per mu is 3000 kg.

3. Green leaf and white shell water cabbage

Ipomoea aquatica is a farm variety in Guangzhou, its plant growth is vigorous and branching, the stem is thick and bluish white, the slightly grooved nodes are fine and dense, the leaves are long and ovate, the upper tip is long, the base is dark green, the leaf vein is obvious, the petiole is long and bluish white, and the adaptability is strong, it can be cultivated in dry land or shallow water, the quality is soft and thin, the yield is high, and the yield is 7000 kg per mu.

Second, how to raise seedlings of asparagus?

1. Select superior species

The main varieties of hollow vegetables suitable for cultivation in solar greenhouse are green leaf and white shell, Thai hollow cabbage, white stem, Nanchang hollow cabbage, Shanghai green stalk and so on. The green leaf white shell plant grows vigorously, there are many lateral branches, the stem is thick, bluish white, the leaf blade is long ovate, dark green, the leaf vein is obvious, the petiole is long, bluish white. Good quality, suitable for dry land cultivation, the general yield per mu is about 7000 kg. Thai asparagus has stout stems, lanceolate leaves and upward sloping growth. The stems and leaves are dark green and of good quality, with a general yield of 7500 kg per mu.

2. Seed treatment

(1) seed dressing with chemicals. Before sowing, sterilize the seeds with metalaxyl.

(2) soaking seeds to accelerate budding. The seed coat of hollow cabbage seed is thick and hard, if sown directly, it will germinate slowly because of low temperature, and even cause seed rot. First soak the seeds in 50 ℃ ~ 60 ℃ warm water for 30 minutes, then soak the seeds in clean water for 20 to 24 hours, pick up and wash them and put them at a temperature of about 25 ℃ to accelerate germination, keep them moist during the budding period, rinse the seeds with clean water once a day, and sow when 50% of the seeds are 60% white.

3. Cultivate strong seedlings

Asparagus can not only be direct seeded, but also suitable for seedling transplanting. In order to improve the utilization rate of the facilities, it is best to raise seedlings and transplant. Cultivated in solar greenhouse, the sowing rate per mu is 2: 2.5 kg. After sowing, the temperature was kept at 30 ℃ ~ 35 ℃ in daytime, above 15 ℃ at night, and 25 ℃ ~ 30 ℃ in daytime after 5-6 days of emergence.

4. Soil preparation and fertilization

Choose high-lying, well-drained and ventilated plots for planting. Asparagus has fast growth rate, strong branching ability, and needs more fertilizer and water, so it is appropriate to apply sufficient basic fertilizer. Generally, 1500000kg of mature organic fertilizer and 100kg of plant ash are applied per mu, which is fully mixed with the soil to form a border with a height of 20cm and a width of 130cm.

5. Scientific planting

The seedlings of asparagus are as high as 17cm and 20cm. The width of the border is 1 meter and 3 rows are planted, and the hole spacing is 35 cm.

Although there are many kinds of vegetables on the market, asparagus has always been a popular dish, and the editor still likes it. I don't know if you like it. Farmers will soon be ready to grow hollow vegetables, the above editor introduced to you the three common varieties, you can choose one according to your own taste, and you can also learn from some of the above methods when raising seedlings.

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