Green onion autumn seeding technology

The green onion autumn seedlings are usually planted in early September. It is easy to spring and twitch early, and it is easy to freeze to death in the evening. Before wintering, the seedlings have 2-3 leaves, the plant height is about 10 cm, and the base of the pseudo-stalk is less than 0.5 cm. Seed treatment: soak the seeds in clean water for 10 minutes, remove the impurities from the sorghum seed, and then put the seeds into the warm water of about 65 ° for 20-30 minutes, and continue to stir. Seed soaking can be unearthed 1-2 days in advance.
Sowing: use the new seed of the year, the seeding amount per acre is 3-4 kg, which can be used to plant 6-8 mu of land; if the seed of the previous year is used, the seed should be more than doubled, and the seed of more than two years can no longer be used. . Spread and strip can be used for sowing. The seedbed is filled with the bottom water, evenly planted, and then covered with fine soil about 1 cm. The seeding is a shallow ditch that is 1.5-2 cm deep in the raft, and the seed is planted in the ditch.
Management: Keep the seedbed moist before and after the emergence of green onions to ensure that the seedlings are unearthed normally. After emergence, before wintering, it is generally not dry or poured, and it is watered and fertilized according to the use of base fertilizer and the growth of seedlings. Pour frozen water before freezing. When the average temperature of the day when the green onion turns to 13.5 °C, the green water begins to pour back to the green water, and at the same time, the green fertilizer is applied. After that, the seedlings, cultivating, water control, and seedlings are required for 12-15 days. After the seedlings, the green onions should enter the vigorous growth period. In this period, 2-3 times of watering and topdressing should be carried out. 20-30 kg of urea per acre.
Inter-Miao: The seedlings must be divided into two parts; the autumn seedlings are carried out in the slow seedling period after the second year of pouring back to the green water, the seedling distance is kept at 2-3 cm; the second time is when the seedling height is about 20 cm. The actual seedlings per mu are about 140,000. The sowing seedlings can reduce the plant spacing to maintain sufficient nutrient area per plant according to the above requirements.
Cultivate strong seedlings: The standard of strong seedlings is 50 cm above and below the height of the seedlings, and the length of the scallions is 25 cm long. The leaves are dark green, the leaves are kept 5-6 pieces, and the weight per plant is 40 g or more.
Pest control: The disease of the onion seedlings is lighter, and it should be prevented in time.

Stainless Steel Sliding Door

Characteristics and Advantages

(1) Intelligent control design: adjustable main parameter and secondary parameter automatically according to the weight of door leaves;

(2) Low noise: Special static sound track, integration of motor, worm-gear and retarder.

(3) Anti-clamping function: automatically reverse when meeting barriers;

(4) Unique electronic motor lock: the motor will lock up when the door is forced to open.(controlled by remote or switch)

(5) Tighten force: seal door when closed, power consumption approximately 10W under standby;

(6) Advanced brushless motor(36V,100W) can automatically adopt different heavy door leaves;

(7) Bi-doors inter-locking: one of the door leaves always remains closing;

(8)Safety sensor terminal: sensor stops working when door closed;

(9)Unique coating technology: never rusty;

(10)Easy and convenient to install;

(11)Working Process: when the door leaf closes to the right place, the door leaf will slightly shift to the door frame and the ground. The rubbers on the four sides of the door leaf will completely combine with door frame and ground, which ensures air tightness. When the door is open, the rubbers will separate from door frame and ground, which avoids contraction on the ground.

Technical Specification

Technical Details:

(1) Rubber lining sealing technology combined with V groove on the guide rail enables the door completely sealed when the door closed;

(2)Special door body location technology. Semicircular surface beam on the ground matches with the V style groove at the bottom of door leaf, which stop the door from swing and make sure it moves stable and smooth;

(3) The door body decorated with matte stainless steel or spray surface, and on the middle and both sides with sealing stripes to ensure the hermetic effect.

(4)Feet sensor switch applied to avoid contagion;

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Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.spiralfastdoor.com