Potatoes have high yields, strong adaptability to the environment, and edible tubers. They are important foods and vegetables that can be used as food. Because of their rich nutrition, they are called "underground apples." Since the beginning of spring, potato cultivation has been carried out in various places. Liu Mengjun, an associate professor at the Agriculture College of Northwest Agriculture and Forestry University, reminded the growers to grasp the key points of planting and management and ensure the stable production and high yield of potatoes.
Choose a good seed
Choose strong resistance to disease, good quality, shiny, fresh, no rot, in his hands, soft, with a knife to taste crisp potato varieties suitable for soft.
Germination treatment
Twenty days before sowing, germination begins and at least one bud is ensured for each seed block. Cut and then sterilize with carbendazim powder soaked in water. After germination, seedling germination begins. The first method is to use sand to germinate at a room temperature of 15°C or more and sand or a layer of seed. The second method is to dig pits in the east-out direction of the ventilation at the sunny location. About a centimeter, a layer of sand and a kind of block, 3 layers is appropriate, and then covered with a film covering the arch. Sprinkle 1 or 2 times during germination to prevent it from drying out. When the shoots grow to 0.5-1.0 cm in length, sowing begins.
Site preparation
When planting potatoes, it is best to choose a flat terrain, irrigation conditions, good drainage, deep plowing layer, loose sandy loam, if the moisture is not good, can be considered irrigation ditch ostrich, during the pupa period should be 7 to 10 days before the next species. Before planting, deep plowing should be carried out, and then work should be done. High-drainage well-developed land can be used for wide-opening and low-lying land. For poor drainage, narrow or high-lying soils should be used.
Timely sowing
From the vernal equinox to Ching Ming, the best sowing date is for sowing. Before sowing, it can be sprayed with pungent sulfuric acid solution in order to prevent underground pests. When sowing, the seed buds on the seed block can be placed facing up or down. The buds grow downwards, and the grown potato roots are long and strong, but the potatoes are few but large, but the seedlings are 2 to 3 days late; the buds are upwards, the potato roots grown are relatively short, the potatoes are small but many, and the seedlings As early as 2 to 3 days. After the end of the next species, the earth was taken from both sides of the large row to cover the space of the potato ditch and the small row, and the micro-membrane cover was tightly compacted.
Seedling management
About 20 days after sowing, there will be seedlings exposed soil, at this time the Chongmiao micro-film can be properly broken to release air to prevent steamed seedlings. When the seedlings grow to 10 cm in height, the membranes around the seedlings should be tightly packed with soil to keep the water pressed. The early stage of potato growth should not be watered. If there is no rain in the drought, it can be watered once every 10 days and watering can be stopped 10 days before harvest.
Potatoes should have the principle of “pre-attack, conservation, and tail control†for fertilization throughout the growing season. When the seedlings are unearthed at 80%, they will be re-applied once to quickly raise seedlings, potatoes will be applied to farmyard fertilizers, and nitrogen and phosphorous will be required for proper fertilizer application. Use potassium. Potatoes require large amounts of potassium, and scientifically reasonable proportions of nitrogen, phosphorus, and potassium fertilizers can significantly increase production. In the later period of potato, there are mainly diseases such as late blight, downy mildew, and bacterial wilt, which should be treated differently according to the characteristics of the disease to prevent the disease from spreading.
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