Gangu Scallion [Gansu Gangu Specialty]

What is Gangu Scallion? Authentic Gansu Gangu Specialty: Gangu Scallion

Content Summary:Do you want to know what Gangu Scallion is? This article is a specialized article that provides a detailed introduction to the Gangu specialty of Gansu Province - Gangu Scallion. It was compiled and edited by the editorial team of China Specialty Network, who reviewed and collected relevant information on Gangu Scallion. The entire article takes about 9 minutes to read, mainly including the basic introduction of Gangu Scallion

Basic Introduction to Gangu Scallion

Gangu, formerly known as Ji, was established as a county in 688 BC (the tenth year of Duke Wu of Qin) and has been in existence for 2680 years. It is the birthplace of the county system in China and is known as the "number one county in China". It is the birthplace of famous figures such as Fuxi, the founder of humanities, Shi Zuoshu, one of the 72 sages of Confucius, and Gong Jianfeng, a scholar at the Hanlin Academy in the early Qing Dynasty. It is also the birthplace of famous figures such as Jiang Wei, the general of Shu Han during the Three Kingdoms period, and is known as the hometown of Jiang Wei. The development history of agriculture in Ganggu is long, and its unique geographical location is one of the golden latitudes suitable for cultivating scallions in northern China. Gangu has a long history of vegetable cultivation, with a wide variety and excellent quality. Gangu scallions were planted in the late Ming and early Qing dynasties. According to the Gan Gu County Annals, "In the early Qing Dynasty, the main vegetables included celery, chives, onions, garlic, scallions, eggplants, cabbage, pineapple, sweet spinach, radish (yellow, purple, red, and green), coriander, five scoops, chicory, purslane, ci (Chinese zither), Chinese toon, cucumber, cantaloupe, watermelon, winter melon, pumpkin, and gourd. There were 12 varieties of scallions and garlic: red root chives, white root chives, Malian chives, Sichuan winter chives, Hanzhong winter chives, sweet onions, white onions, scallions, dragon onions, onions, red garlic, and white garlic. It has a history of over a hundred years, especially since 1987 when a certain amount of planting was established. In 1992, large-scale planting was carried out, and excellent varieties such as scallion and iron stem king were introduced. After local transformation and selection, they became high-yield varieties, forming a scallion planting base mainly in Luojia Village, Xinxing Town. The scallion planting area is over 18000 acres, The average yield per mu is 5000 kg, and the total yield is 68800 tons. Due to its long white onion, high yield, and rich taste, it has become one of the main vegetable products in our county in just a few decades

The production area of Gangu scallion is located in the shallow mountainous area north and south of the Weihe River, Chuantai machine irrigated land, and Chuantai plateau in Gangu County. The altitude of this area is 1400-1600 meters. Compared with other areas, it has obvious regional characteristics such as sufficient sunshine, large temperature difference between day and night, and high soil organic matter content. The production area of Gangu scallions is a loess ridge shaped mountainous area with loess soil. The soil contains abundant trace elements and minerals, which are conducive to the absorption and growth of scallions. The unique soil conditions make Gangu scallions nutritious. The Gangu scallion plant is tall, with a long false stem, strong uprightness, and a sturdy and upright appearance. Scallion leaves are bright green in color, with thick and tough tube leaves and a crisp and tender texture. They break when they fall to the ground and chew without any threads. Scallion is crispy and tender, with a delicate texture and moderate spiciness. It is sweet and juicy, with a rich and spicy aroma, rich in nutrients, and of excellent quality. Sweet Valley Scallion "has a white onion length of 40-60 cm and a diameter of 1-2.5 cm. Rich in various vitamins, proteins, expanders, soluble sugars, etc. Among them, vitamin C is 0.25 g/kg, vitamin A is 0.12 g/kg, protein is 14.17 g/kg, soluble sugar is 98.1 g/kg, free amino acids are 0.38 g/kg, phosphorus is 0.25 g/kg, magnesium is 0.16 g/kg, calcium is 0.63 g/kg, dietary fiber is 24 g/kg, and dry matter is 13.3%. Pesticide residues and heavy metal indicators meet the requirements of green food standards, and the physical and chemical indicators of Gangu scallions meet the requirements of green food standards

Regional Scope

Gangu County is located in the southeast of Gansu Province, northwest of Tianshui City, upstream of the Weihe River. The Weihe River runs through the county from west to east, with a length of 41.6 kilometers. Located between 104 ° 58 ′ E and 105 ° 31 ′ E longitude, and 34 ° 31 ′ N and 35 ° 03 ′ N latitude, Gangu has many mountains and few rivers, a dry climate, and a typical continental monsoon climate. Ganggu is adjacent to Qin'an County and Maiji District to the east, Qinzhou District and Lixian County to the south, Wushan County to the west, and Tongwei County to the north. The production area of Gangu scallion is located in the northern shallow mountainous area of Xinxing Town, Gangu County. The area has an altitude of 1400-1600 meters and is a loess ridge shaped mountain with yellow loess soil and abundant organic matter content. The annual average temperature is 11.5 ℃, the annual sunshine hours are 2131 hours, the frost free period is 196 days, and the annual precipitation is 451mm; The terrain is flat, the soil layer is deep, the air is fresh, the sunlight is sufficient, the irrigation conditions are good, the water quality is pure and pollution-free, and there is no industrial pollution in the area. It is a natural green food production area. The implementation of geographical indication product protection for Gangu scallions covers 99 villages and towns including Xinxing, Pan'an, Liufeng, Daxiangshan Town, Jinshan, Baliwan, Xiejiawan, Lixin, and Anyuan. Currently, the cultivation area has reached 1300 hectares and the annual output has reached 5850 tons