Where are the specialties of Zhengning apples?

Zhengning County, located in the best latitude zone of apples in the world, is an advantageous area for apple production in China. Eight indexes, such as altitude, sunshine hours, average temperature, minimum temperature, temperature difference between day and night, rainfall, frost-free period and growth period, all meet the standard of the most suitable growth area for apples. It is one of the 52 key apple production counties determined by the Ministry of Agriculture, and is listed as the dominant apple production area in the northwest Loess Plateau by the state. In 2004, it was rated as a green and pollution-free apple production base by the state. Zhengning County belongs to the gully region of the Loess Plateau. The climate is wet and cold, with the same rain and heat. There are more than 350 varieties of apples, peaches, apricots, pears, grapes, persimmons, etc. 14. Apples, peppers, almonds and walnuts are the "four major" specialties in the county. Because it is located at the edge of Ziwuling forest, the microclimate is humid, the natural vegetation in the territory is good, the soil layer on Yuanshang is deep, the soil is mainly black ridge soil, the organic matter content is high, and there is no pollution from industrial and mining enterprises. The fruit produced is famous for its big size, bright color and delicious taste. Qinguan Apple won the title of "Huludao Cup" in 1997 Guoxiang National Fruit Variety Appraisal Meeting; Red Fuji Apple 1996 and 1997 won the gold medal in the second fruit appraisal meeting and the first fruit exhibition fair in Gansu Province for two consecutive years, and won the gold medal in the municipal fruit appraisal meeting for many times. Fruits are exported to southeast coastal cities and surrounding counties, and exported to Malaysia, Singapore and other countries and regions, which are favored by consumers.