Preparing for soil
Firstly, the dry soil should be sieved with a 0.5 cm mesh, and 70% of the dry soil, 30% of the humus, the bed soil conditioner, and the nitrogen, phosphorus, potassium and micro-fertilizer required for the seedling stage should be mixed evenly. The amount of soil used per plate is about 2.2Kg.
Rice seedling raising technology
First place the mother board on the tray, place the configured bed soil on the master plate, and spread it evenly.
Open the master plate and let the soil fall into the tray.
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Then, seeding is carried out with a matching seeder.
After the sowing, cover the soil to the upper mouth.
Simple plastic trays are used for simple seeding, but low efficiency, suitable for small-area breeding operations.
育盘苗苗精机
The seedling seedling finer can complete the sowing, sowing and topping operations at one time.
First, the outermost ends of the disc are placed in the positioning holes of the disc.
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Then add the appropriate amount of bed soil in the tray and scrape it with a plate.
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Move the wrench to make the soil fall into the tray, and the soil is two-thirds of the depth of the hole.
Place the appropriate amount of seeds on the seeding tray and clean with a plate brush to fill each hole with 3-4 seeds.
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Move the wrench to drop the seed into the tray.
Install the cover soil with the right amount of soil, flatten it with a plate, and pull the soil wrench to make the soil cover the plate.
Then take out the tray and scrape off the excess soil with a plate.
Using the seedling seedlings, the seeds are broadcast at the same depth and without holes, and can be broadcast more than 300 trays per hour. Suitable for individual farmers.
Seedling seedling planter
Turn on the seed drill switch and place the single disc on the seeding rack. Push forward to automatically pull the conveyor wire away from the tray.
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The front and rear discs should be tightly connected and there should be no broken belts.
The seedling seedling planter can complete the laying of soil, sowing and covering soil in one time.
During the operation, it is necessary to add the earthworms and seeds to the earth-laying box, the seeding box and the earth-covering box in time to avoid the unevenness of the disk and the occurrence of cavitation due to the small amount of soil and seeds in the box.
When the top plate of the top soil is covered and automatically carried to the pick-up tray, the tray is received and stacked.
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Take care when stacking, avoid flipping the tray. The number of discs per disc is preferably 10 discs.
The tray seedling planter can broadcast 350-400 trays per hour, and 2-4 capsules of seeds after germination per hole. It has high mechanization and high efficiency, and is suitable for agricultural machinery professional households and agricultural machinery cooperative organizations.
Wobble plate
Ship the finished tray to the swinging tray in the nursery shed. Pay attention to the light handle, and do not leave gaps between the trays. The bottom surface of the tray should be closely attached to the bed surface.
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 Water spray film
After the plate is placed, the water is sprayed on the film to ensure moisturizing and heat preservation.
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Seedling management
The seedling nursery and the conventional nursery are basically the same in the seedling management.
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Mainly master the four links of water spray, ventilation, fertilization and spraying.
Before emergence, the water should not be small.
At the age of 1.5, the seed roots can be plucked into the soil of the sputum.
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According to the principle that the soil is not dry, watering should be carried out in an appropriate amount.
When watering, it is better to water it for breakfast in the evening.
After the seedling grows to one leaf and one heart
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When the outdoor temperature is above 14 degrees Celsius and the temperature in the shed exceeds 28 degrees Celsius, the seedlings should be ventilated in time.
Note: If you add a strong seedling nutrient to the soil, you do not need topdressing during the seedling period.
To control green blight, acidic water with a pH of 4.5 can be poured at 1.5 and 2.5 leaves of the seedlings, while spraying the fungicide.
Timely transplanting
28-32 days after sowing, transplanted when the seedlings grow to 8-15 cm.
If the seedling height exceeds 18 cm, the leaf head should be cut off so as not to affect the mechanized transplanting effect, so that the seedling height can be mechanized after transplanting less than 18 cm.
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