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Cultivation techniques of leeks
(1) In the cultivation season, the leeks are naturally cold-resistant and have a cool climate. Seed germination suitable temperature 20-25 °C, vegetative growth temperature 12-20 °C. Seedlings or germinating seeds can pass vernalization at 2-5°C for 10-20 days. Strict light requirements. Leeks can be sowed from spring to autumn. After broadcasting in the spring in northeastern China, a part of it can be planted and transplanted separately. Before the earth is frozen, racks of plastic canopies are trussed to prepare for the winter season. (2) Do seed sowing of leeks in bed is small, so that weeds, grass roots, stones, and soil blocks are sown on the sowing plots. The bed is 10 cm high and 80 cm wide. It is spread on the bed. In order to evenly sow, in advance with a 3 times the volume of the seeds of the sand evenly mix, easy to achieve the purpose of uniform sowing. After sowing, they were pressed with Dendrobium so that the seed and soil were evenly distributed, so that the seedlings and seedlings were able to grow vigorously. In summer sowing, we must first wet the land and then sow the soil. In the summer, if new seeds are used in the current year, the seeds have not yet come out of dormancy. Therefore, after germination at a low temperature of 2-7°C, sowing can be performed in the refrigerator. After sowing in summer and autumn, it is difficult to prevent high temperature, drought and emergence. You can use a straw or straw to cover the bed, lower the ground temperature, and maintain the humidity. After the seedlings are unearthed, the rice straw is removed in time. (3) Field management 1 Weeding. Leek plants young, but also sowing, weeds and leek easy to squeeze growth, weeding should be timely, weeds as soon as possible. When weeding, we must pay attention to the protection of leek seedlings. Every time it is found that the root of the leek seedlings is linked, the roots of the Chinese chive should be compacted by hand. Weeds were removed in conjunction with each harvest. 2 top dressing. Spring sowing of leeks, about 8 days of emergence, autumn sowing of leeks under continuous watering conditions, the need for 3-4 days emergence. When the seedlings had two true leaves, the first topdressing was performed, 22500 kg of extremely diluted composting water was applied per hectare, and the second topdressing was carried out 7-10 days before harvest. After each harvest, top dressing was performed once. Increased concentration properly. Can not chase fertilizer. 3 watering. Leek has high planting density and large water requirements. Watering is often required to keep the soil moist. Before emergence, spray water 3-4 times a day. After emergence, spray once a day. Watering is best done in the morning when the dew is not dry, and each watering must be timely and detailed. Usually use artificial watering cans to sprinkle, do not use pouring irrigation, prevent soil compaction. Dirt on the leaves, in the early morning or evening with a watering can to wash the soil, so as not to affect plant growth and development.
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Safty
1. Avoid dangerous environment
2. Don`t fall from high state.
3. Keep children away, All visitors should be kept a safe distance from working area.
4. If the insulation is damaged and the wire plug is broken, pls take off the power quickly.
5. Don`t use machine without the protection cover.
6. Don`t overreach. Keep proper footing and balance at all times.
7. Before using, carefully read the operating manual.