Asparagus seed cultivation techniques

As a kind of health vegetable species, asparagus has been increasingly chosen by the majority of health people. What is the cultivation of asparagus seeds for farmers?

The process? Here are six steps for the cultivation of asparagus seeds.

Steps/methods
1
Variety selection. Select high-quality, high-yielding and disease-resistant hybrid hybrid green bamboo shoots or purple bamboo shoot varieties, such as “Apollo” and “Jelim”.
2
Nursery. At present, asparagus seeds are expensive and costly, and they are not economical to use in direct-sowing land use. Therefore, they are planted with nurseries and planted after nursery.

technology. (1) Nursery time: Seedlings in open field can be planted from early April to early August. Small arch shelters can be planted in advance in early March. (2) Selection of seedlings:

The nursery should select sandy soils with fertile soil, good air permeability, and good drainage and irrigation conditions. Weeds should be selected from plots with less weeds, especially less perennial weeds. (3) species

Sub-treatment: Asparagus seeds are thick and have a thick layer of wax that is not easily absorbed. Must be soaked before sowing germination, pharmaceutical treatment before sowing. (4) sowing

: Seeds can be sown when about 10% of seeds are sprouted. Before the planting, the base nurse should apply enough basal fertilizer to make it 1.1 meters wide and adopt the method of seed sowing.

According to the temperature conditions, the sowing density is 10 cm 10 cm.
3
Colonization. (1) Preparation before planting: Before the planting, first deepen and level the land, and open the north-south ditch at a row spacing of 1.5 meters. The ditch is 40 centimeters wide and 40 centimeters deep. Each ditch

667 square meters (1 mu) is applied with 5,000 kg of high-quality organic fertilizer and 50 kg of NPK fertilizer, mixed with soil. Planting ditch to water solid. (2) Time of colonization

: Hebei Province is generally planted in early May. When the age of asparagus reaches 60-70 days, it can be transplanted and planted with 4-5 robust seedlings and a plant height of 15-20 cm. (3)

Planting density: The row spacing when planting was 150-160 cm and the plant spacing was 35-40 cm. (4) Planting method: pouring sole water, planting seedlings underground stalks with raw squama

One end of the bud follows the direction of the ditch. Store the roots of the seedlings uniformly and spread 4-5 centimeters of cover soil and press it. Then water it. With the growth of asparagus seedlings will gradually be planting ditch

Fill it so that the depth of the asparagus seedlings is 10-15 cm from the ground.
4
Field management. (1) Check the seedlings to make up the seedlings: 1 month after the planting, check the seedlings to make up the seedlings. When filling the seedlings, the bottom water should be poured to ensure survival, and the seedlings of the supplementary plants should still pay attention to the orientation.

Planting. (2) Watering: Asparagus metamorphose needle stems like needles, evaporation is greatly reduced, so asparagus is more drought-tolerant, but timely watering is necessary for asparagus high yield

To conditions. Immediately after planting, water the seedlings in time and wait for the water to infiltrate and then cover the soil. Afterwards, timely watering according to weather conditions and changes in the public opinion. High temperature in summer and autumn, water

Sub-consumption, to ensure that the soil has enough water to ensure the normal growth of plants. Pour winter water before freezing in winter to facilitate safe asparagus wintering. (3) Dressing:

Immerse feces water once in 7-10 days after planting to facilitate live root easing. At the initial stage of colonization, light and heavy fertilizers should be applied to promote early-onset seedling growth. Fertilization is generally controlled at each loose soil except

After the grass is completed and the new stems are sown each time, fertilization of the diluted manure water is better, or 5 kg of compound fertilizer is applied per 667 square meters. To apply more plant ash, coke ash, etc.

Potassium-rich fertilizers. With the growth of seedlings, the amount of fertilizers should be gradually increased, and the plants should be thick and the root plate should be enlarged. After the fall, topdressing 1 autumn fat, 667 flat

Fang Mishi organic fertilizer 250-1000 kilograms, or compound fertilizer 10-15 kilograms, or the corresponding urea and phosphorus and potassium fertilizers, to end the fertilizer in late October. Enter the shoot

After the period, the number of top dressings and top dressings will be increased. (4) Timely retention of the stem: In order to achieve annual production, the stem of the mother can be used.

Usually after 15-20 days of harvesting in spring, the stems of the mother's mother are started when the growth of asparagus weakens. For stems of the mother flower, stems with a diameter of 0.8-1.2 cm should be selected. (5) Weeding soil

: During the growing season, timely weeding should be performed according to the situation. After each weeding, properly cultivate 1-2 cm of earth and gradually increase the height of the earth covering to about 10 cm.

. (6) Flood control and moisturizing: It is necessary to open the drainage ditch in time and connect the ditch and ditch so that there is no water accumulation in the ditch after the rain. When the drought is continuous, it is necessary to infuse the horse with moisturizing water.
5
Harvested. (1) Shooting time: Asparagus shoots generally begin in early April. The length of the picking period is related to the age of bamboo shoots, and the harvesting period is long. Shooting time is generally

7-9 am and 5-6 pm. (2) Shooting method: The length of the shoot is determined according to the specifications of the processing factory. The general length is 18-20 cm, and the length is too long.

This will affect the production of asparagus. (3) Adopt bamboo shoots to keep earthworms to be reasonable: generally 2-3 cm below the surface, and it is easy to rot in the later period of high tillering.

disease. Harvested asparagus should be covered with a damp cloth and refrigerated or sold in time.
6
Qingyuan pruning. From mid-to late December to late February, the stems have all died, and the garden must be thoroughly cleared to remove the dry stems in time and remove the deciduous weeds.

To reduce the incidence of disease.
Precautions Pest control. The most serious damage to asparagus stem blight. After harvesting bamboo shoots in spring, it is necessary to apply 500-1000 kilograms of organic fertilizer per 667 square meters.

With high plant immunity, spray the fungicide once every 10 days and spray 3 times. Can use 40% asparagus blue powder 6000 times liquid, asparagus net 500-1000 times liquid

70% thiophanate-methyl 800-1000 times. If 14 points of harmful insect pests such as slime insects and Spodoptera litura occur, 50% phoxim 1500 times solution + 5% high-efficiency chlorine can be used.

3000 times of cypermethrin or "Tai Tai Bao" 1500 times liquid spray.

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