Wulanchabu, Inner Mongolia is known as "Potato Capital of China". In recent years, the potato planting area in Wulanchabu City has been maintained at about 4 million mu, with an annual output of 4 billion kilograms. The planting area and yield account for 8% and 10% of the country respectively, and it is the main potato producing area in China. The potato industry in the whole city has gradually formed a pattern of regional distribution, specialized production and intensive management, achieving the goal of increasing agricultural efficiency and increasing farmers' income. In 2004, the output value of potatoes in the city reached 654.38+0.57 billion yuan, and the comprehensive added value reached 654.38+0.28 billion yuan. The per capita net income of potato planting reached 537 yuan, the coverage rate of improved varieties reached over 95%, and the potato seeds were changed once every three years in the city.