Tongxin Potato [Ningxia Tongxin Specialty]

What is concentric potato? Authentic Ningxia Tongxin Specialty: Tongxin Potato

Content Summary:Do you want to know what Tongxin Potato is? This article is a detailed introduction to the special product ofNingxia Tongxin - Tongxin Potato. It was compiled and edited by the editorial team of China Specialty Network after reviewing and collecting relevant information about Tongxin Potato. The full reading time is about 10 minutes, mainly including the basic introduction of Tongxin Potato and its nutritional value? What are the product characteristics of Tongxin potatoes? How did the history of concentric potatoes come about? Wait

Basic Introduction to Tongxin Potato

"Potato" is named after its resemblance to a horse bell, and this name first appeared in the "Food and Goods" section of the "Songxi County Annals" during the Kangxi period. In Northeast China and Hebei, it is called a potato; in North China, it is called a yam egg; in Northwest China and the Two Lakes region, it is called a potato; in Jiangsu and Zhejiang, it is called a potato or yam; in Guangdong, it is called a potato seed; in eastern Guangdong, it is called a Dutch potato; in eastern Fujian, it is called a potato seed; and in northwestern Hubei, it is called a "potato"

Natural Ecological Environment

(1) Soil and Geomorphic Conditions: Tongxin County is located in the transitional zone between the western part of the Ordos Plateau and the northern part of the Loess Plateau, with a terrain that is high in the south and low in the north. Surrounded by mountains, continuous hills, crisscrossing ravines, flat rivers, and diverse terrain. The soil within the territory is relatively complex, with a variety of soil types, with the largest areas being black loess and gray calcareous soil. Black loess is distributed in the loess hilly area in the southeast, with loess as the parent material. The average thickness of the organic matter layer is 55 centimeters, loose and porous, with uniform texture. It is a light or medium loam soil with a high content of coarse silt particles, and has good water and fertilizer retention properties. It is a relatively fertile soil in the county

(2) Hydrological situation: Tongxin County is located in an arid mountainous area with a gully density of 2.4-4.3 kilometers per square kilometer.

There is a lack of surface water, and the surface water in the county belongs to the two major river basins of Qingshui River and Kushui River. Along the coast of Tongxin County, Qingshui River has four major tributaries: Shuangjingzi Gou, Zhesheng Gou, Jinjier Gou, and Changsha River. Among them, Zhesheng Gou is the largest tributary of Qingshui River Basin in Tongxin County. Except for sporadic spring water outcrops in some areas, the groundwater is buried deep, with small water volume, poor water quality, and uneven distribution

(3) Climate situation: The southern part of Tongxin County belongs to the semi-arid continental climate of the mid temperate zone, while the northern part belongs to the arid continental climate of the mid temperate zone. Its main characteristics are drought with little rainfall, high evaporation, cold warm dry wet, distinct four seasons, long sunshine, strong solar radiation, short summer and autumn, and long winter and spring. The average annual sunshine duration is 3024 hours. The average daily temperature difference is 31.2 ° C, with a total cultivated land area of 2.054 million mu. The soil layer is deep and rich in potassium, making it particularly suitable for the growth of potatoes. The annual average temperature in the county is 8.4 ℃, with an average frost free period of 157 days and an average annual precipitation of 277.9 millimeters, mainly concentrated from July to September. This is in line with the water demand law for potato growth and has unique conditions for potato production

Production technology requirements

(1) Origin selection: 6 townships including Xiamaguan Town, Yuwang Town, Magaozhuang Township, Zhangjiayuan Township, Tianlaozhuang Township, Wangtuan Town, etc. The environmental quality of the origin must meet the requirements of the "Environmental Conditions for Pollution free Food and Vegetable Production Areas" (NT/5010-2002)

(2) Variety selection: For vegetable potatoes, choose varieties such as Kexin 1, Hutou, and Holland 7. For late maturing export potatoes, choose varieties such as Qingshu 168 and Taiwan Red skinned. For starch processing potatoes, choose varieties such as Ningshu 8, Ningshu 9, Neishu 7, Longshu 3, and Qingshu 2

(3) Production process management: The production process of concentric potatoes must comply with the "Operating Procedures for Pollution free Potato Production" (NY5221-2004)

(4) Product Harvesting and Postpartum Processing: After all the above ground stems and leaves have turned green and yellow, and the tubers have stopped swelling, harvest the fresh potatoes at the appropriate time according to their market or sale, and storage time. Kill the seedlings one week before harvesting, and the fresh potatoes harvested should be fully spread and dried. They can only be transported and stored after the potato skins have become cork like

(5) Production record requirements: The entire production process of concentric potatoes should be documented in a field production file, fully recorded and properly stored for future reference

Regional Scope

Tongxin County is located in the central southern part of Ningxia Hui Autonomous Region. Located between 105 ° 17 ′ -106 ° 41 ′ E longitude and 36 ° 34 ′ -37 ° 32 ′ N latitude, it borders Yanchi County to the northeast, Huan County in Gansu Province to the southeast, Guyuan County to the south, Haiyuan and Zhongwei County to the west, and Zhongning and Hongsibao to the north. It is 102 kilometers long from north to south and 135 kilometers wide from east to west. It belongs to the arid zone in central Ningxia. Tongxin County is located at the junction of the Loess Plateau and the Inner Mongolian Plateau, and the terrain gradually inclines from south to north (high in the south and low in the north). The altitude is 1260-2625 meters, and the county town is located at an altitude of 1344 meters. Tongxin Potato is located in Xiamaguan Town, Yuwang Town, Magaozhuang Township, Zhangjiayuan Township, Tianlaozhuang Township, and Wangtuan Town along the Huiping Highway in the county. It governs 112 administrative villages, with a total production area of 20000 hectares and an annual output of 300000 tons

Potatoes have a sweet taste, a mild nature, and a slight coolness. They enter the spleen, stomach, and large intestine meridians; It has the effects of regulating the stomach, strengthening the spleen and dampness, detoxifying and anti-inflammatory, relaxing the intestines and promoting bowel movements, lowering blood sugar and cholesterol, promoting blood circulation and reducing swelling, nourishing qi and strengthening the body, beauty, and anti-aging

(1) External sensory characteristics: concentric potatoes have a standardized shape, uniform size, smooth and clean skin, and good marketability

(2) Internal quality indicators: concentric potatoes have a high accumulation of dry matter, high starch content, and excellent quality. Each 100 grams of tuber contains 75-82 grams of water, 17.5 grams of starch, 1.0 gram of sugar, 2.0 grams of crude protein, and various vitamins

(3) Safety requirements: Tongxin Potato shall comply with the "Pollution free Food Potato" (NY5221-2004)

How did the history of concentric potatoes come about

According to the "Pingyuan County Annals" compiled by Chen Rixin, the magistrate of Pingyuan in the Qing Dynasty, the local crops were mainly wheat, millet, potatoes, etc., especially potatoes, which were also vegetables and food. At that time, they had a planting history of over a hundred years. After years of effort, the county has basically built a commodity potato production base centered on towns such as Yuwang and Xiamaguan