The "Atlantic" potato is a hybrid variety developed for processing, imported from the United States by the Chinese State Department of Agriculture in collaboration with the Chinese Academy of Agricultural Sciences. This virus-free seed has been successfully selected by Hunan Agricultural University and the Hunan Potato Engineering Center. In spring 2006, the County Bureau of Agriculture introduced the "Atlantic Ocean," a non-infected processing potato variety, from Yiyang Asia-Pacific Potato Industry Co., Ltd. A pollution-free cultivation demonstration was conducted in a high-altitude area at 800 meters. The cultivated area covered 1.33 hectares, with sowing taking place between February 15th and 18th, and harvesting on May 25th, resulting in a total growing period of approximately 100 days.
After testing, the yield reached 1,690 kilograms of fresh potatoes per 667 square meters, representing a 38% increase over local varieties. Fresh potatoes can be processed into 15 kilograms of starch per 100 kilograms, which, at a price of 16 yuan per kilogram of starch, translates to an output value of 4,056 yuan per 667 square meters. This makes the variety highly profitable. The "Atlantic" potato is well-received by consumers due to its excellent appearance and a high starch content ranging from 15% to 17.9%. Below are the detailed cultivation techniques:
1. **Site Selection and Preparation**: The site should meet national standards for non-polluting agricultural production. It should have deep soil, good drainage, loose, fertile sandy loam with a slightly acidic pH. Deep plowing to a depth of 25–30 cm is recommended before sowing, followed by fine soil preparation. Dry soil should be watered one week prior to planting.
2. **Base Fertilization**: Apply 1,500–2,000 kg of composted organic fertilizer per 667 square meters, along with 100 kg of plant ash or 15 kg of potassium sulfate (or supplement with potassium chloride if needed).
3. **Seed Disinfection**: Before sowing, soak seeds in a 70% thiophanate-methyl solution diluted 800 times or a 50% carbendazim solution diluted 500 times for 15–20 minutes. Cut each seed piece to 30–40 grams, ensuring it has one or two buds. After cutting, dry the pieces in the shade and mix with ash to promote wound healing.
4. **Planting**: Transplant seedlings in open fields after the beginning of spring. In low-altitude areas, mulch can be used to plant as early as December. Maintain a row spacing of 60 cm and plant spacing of 26–28 cm, with 4,000–5,000 plants per 667 square meters.
5. **Weeding and Fertilization**: When seedlings reach about 20 cm in height, perform weeding and cultivate the soil. Apply 667 kg of biogas fertilizer or 750–1,000 kg of human manure, or 10 kg of urea mixed with 15 kg of potassium sulfate per 667 square meters.
6. **Disease and Pest Control**: Virus-free potatoes generally face fewer serious pests and diseases. However, if late blight or bacterial wilt occurs, they should be treated with appropriate pesticides. Prevention is key. For late blight, spray 58% metalaxyl•manganese at 500 times dilution once or twice during the early growth stage. Bacterial wilt can be prevented with 72% agro streptomycin diluted 2,000 times. For ground pests like small tigers and crickets, mix 1.5–2.0 kg of trichlorfon with 10 kg of glutinous rice or rice bran during soil preparation.
7. **Growth Regulators**: If excessive nitrogen application causes lush growth, apply 15% paclobutrazol at a rate of 40–50 grams per 667 square meters, mixed with 60–75 kg of water, and spray uniformly during the budding stage. This helps control above-ground growth and promotes tuber development underground.
Ideal Car innovation, Ideal Car safety, Ideal Car features, Ideal Car performance, Ideal Car batteries
Chongqing Dike Technology Industry Co. , Ltd. , https://www.cqdkqc.com