Variety selection: Select the very early-maturing potato varieties harvested within 60 days after emergence.
Warm seeds, dicing, germination, and sun buds: Select disease-free seed potatoes to be placed in a room at around 20 °C, warming and germination for 7-8 days. After the buds sprout, cut the buds by buds, each piece is about 25 grams. After cutting, use a small amount of grass ash to mix the seeds. After 2 to 3 days, put the seed in the shed at about 20 °C, a layer of moist fine soil, one layer of each layer, 6 to 8 cm thick, 2 to 3 layers, the top layer is fine soil, and the upper mulch is germinated. . When the bud grows to 1 to 1.5 cm, the buds are planted to make the buds thick and soft, so as to facilitate planting.
Fertilization, land preparation, and degaussing: When the ploughing layer is perforated, 45-75 tons of fertilized manure, 300 kg of diammonium phosphate, 225 kg of urea, and 225 kg of potassium sulfate, and then cultivating after cultivating, ridge, ridge distance 60 cm . Use the tweezers to smash the clods on the ridges into the ditch, so that the ridges become shorter, so as to cover the soil after the film is uncovered and buckle the mulch.
Planting: Drill on the mulch by 20 to 25 cm plant spacing, 10 to 12 cm deep, planted with blocks, filled with water, covered with soil.
Field management: When the seedlings are arched to the top of the membrane, the seedlings are placed, and the membranes are sealed with soil; the seedlings that have not emerged should be opened every 2 inches, so that they can be ventilated with the outside to prevent burning. When a small amount of plants in the field are budded, the film is uncovered, and the grass is artificially taken and the soil is cultivated. At this time, the hoe is not available, so as not to shovel the small tubers. The leaves are sprayed with the potato swell and the foliar fertilizer, and the water is poured. After 1 week, the water is refilled.
Harvest: When the bottom leaves of the plants turn yellow, they can be harvested separately or in accordance with the squat, market supply and demand and price.
Naips LED Emergency Down Light is specially designed for ceiling recessed emergency lighting. Automatically light at once when buildings main power outage. NON-MAINTAINED type and it can customized the emergency time for different wattage. We can also add the LED emergency driver kits to match different kinds of your LED downlights.
Led Downlight With Emergency Backup,Downlight With Emergency Backup,Emergency Light Downlight,Led Emergency Downlight
Foshan Nai An Lighting Electric Co.,ltd , https://www.emballast.com