Longde Potatoes

Longde Potatoes

Longde Potatoes are a geographical indication agricultural product.

　　Product Quality Characteristics

　　1. External Sensory Features: Longde potatoes are uniform in size, round or oval in shape, and light green in color. 2. Internal Quality Indicators: Crude starch 17.85g/100g, Vitamin C 15.57mg/100g, dry matter 23.6g/100g. 3. Safety Requirements: Air quality, irrigation water, surface water, and pesticide use comply with the following standards: GB3095—1996 Ambient Air Quality Standard GB5084—1992 Farmland Irrigation Water Quality Standard GB3838—1988 National Surface Water Quality Standard GB4285—1989 Pesticide Safe Use Standard

　　Geographical Scope

　　Longde County is located at the western foot of the Liupan Mountains, on the southern border of Ningxia. It faces Guanzhong to the east, gazes toward the He-Tao region to the west, connects to Qinzhou to the south, and links to Ningzhou to the north. It borders the Qin and Liang regions and safeguards the western hinterland. National Highway 312 runs east-west through the county. The provincial Long (de)–Qin (an) Road and the county-level Long (de)–Zhang (yi) Road traverse the area from north to south. The geographical coordinates are longitude 105°48′ to 106°15′ and latitude 35°21′ to 35°47′. The county stretches 47 km from north to south and 41 km from east to west, covering a total area of 985 square kilometers. The protected geographical indication area for Longde Potatoes includes all 13 towns in the county: Chengguan Town, Shatang Town, Shenlin Township, Liancai Town, Haoshui Township, Guanzhuang Township, Yanghe Township, Zhangcheng Township, Fengling Township, Wenbao Township, Dian’an Township, Shanhe Township, and Chenjin Township. These areas comprise a total of 128 administrative villages. The county covers a total land area of 99,200 hectares, including 43,000 hectares of cultivated land, 13,000 hectares under protection, currently with 11,300 hectares under cultivation and a total output of 330,000 tons.