Zhang Liang Fragrant Melon [Ningxia Helan Specialty]

What is Zhang Liang cantaloupe? Authentic specialty of Helan, Ningxia: Zhangliang cantaloupe

Summary:Do you want to know what Zhangliang cantaloupe is? This article is a detailed introduction to the special product ofin Helan, Ningxia - Zhangliang Fragrant Melon. It was compiled by the editorial team of China Specialty Network, who reviewed and collected relevant information about Zhangliang Fragrant Melon. The full text will take about 11 minutes to read, mainly including the basic introduction of Zhangliang Fragrant Melon

Basic introduction of Zhangliang cantaloupe

The flesh is thick and delicate, crisp and sweet, with a moderate ratio of fructose and sucrose. These characteristics make the cantaloupe located in Zhangliang Village, Helan County famous far and wide.

. For a time, Zhang Liang's cantaloupe, along with Lingwu jujube and Zhongning wolfberry, became one of the geographical indications of Ningxia, and also made this small village located in the southeast of Helan County synonymous with cantaloupe

Regional Scope

Helan County is located in the northwest inland of the Loess Plateau in China, in the northern part of Ningxia Hui Autonomous Region, in the central part of the Qingtongxia Yellow River irrigation area on the Yinchuan Plain. Its geographical coordinates are between 105 ° 53 ′ -106 ° 36 ′ E longitude and 38 ° 26 ′ -38 ° 48 ′ N latitude. It borders the Yellow River to the east and Helan Mountain to the west, and is separated from the main peak of Helan Mountain in Alxa Left Banner, Inner Mongolia; It borders the suburbs of Yinchuan, the capital of Ningxia, to the south and Pingluo County to the north. The county town is 10 kilometers away from Yinchuan city. The total land area is approximately 1208 square kilometers. The production area is mainly concentrated in Zhangliang Village, Changxin Township, Helan County, with a total production area of 200 hectares and an annual total output of 3800 tons

Natural ecological environment and cultural and historical factors

(1) Soil topography: There are many types of soil distribution in Helan County, mainly including 8 soil types and 15 subtypes such as light gray calcareous soil, light colored meadow soil, irrigated silt soil, saline soil, lake soil, white stiff soil, sandy soil, and heap soil. The soil pH value is between 8.0-8.5. The soil fertility is moderate, with an organic matter content between 13.6-17.6g/kg. The basic characteristic of the terrain trend in Helan County is that it is high in the southwest and low in the northeast, with a twisted slope from southwest to northeast. The entire area is mainly composed of western mountains and eastern plains

(2) Hydrological situation: Helan County is located in the central part of the Yinchuan Plain, with the Yellow River flowing through, crisscrossing ditches and lakes scattered throughout. For this oasis on the arid northwest plateau, abundant water resources are a major feature. The Yellow River enters from Jingui Town in the southeast of Helan County, runs from south to north, and exits from Tongyi Township in the northeast. The total length of the river within the territory is 21.25 kilometers, with a width of about 1200-1600 meters and a water depth of generally 2-6 meters. The average annual runoff is 28.65 billion cubic meters, and the average peak flow is 3505 cubic meters per second. The water is abundant and of good quality, with an average sediment content of 6.54 kg/cubic meter and a maximum mineralization of 762.5 milligrams per liter

(3) Climate situation: Helan County is located inland, far from the ocean, and belongs to the mid temperate arid climate zone. The dominant wind direction is northwest in winter and southeast in summer. The annual sunshine hours are 3039.6 hours, the annual average temperature is 10.5 degrees, the average frost free period is 172 days, the annual average accumulated temperature is 3298.1 ℃, the annual average rainfall is 203mm, the average evaporation is 1583.3mm, and the annual total solar radiation is 146 kcal/cm2. The total forest coverage area of the county is 198700 mu, with a coverage rate of 10.5%. Due to the influence of specific terrain conditions, the climate belongs to the temperate climate zone of the Tang Huihan Plain. Its main characteristics are: late spring and early autumn, distinct four seasons, abundant sunshine, abundant heat, strong evaporation, dry climate, more sunny days, and less rain and snow. The annual temperature difference is large, with an average annual temperature range of 32.4 ℃; The temperature difference between day and night is large, with an average daily temperature range of 13.4 ℃ and a maximum of 29.9 ℃

(4) Cultural and historical situation: Zhang Liang's cantaloupe cultivation began in the 1960s and has a planting history of nearly 50 years. The first variety to be planted was Yiwofeng, which was introduced from Henan and has continued to this day. Later, Longtian No.1 and Meiya 139, which were introduced from the surrounding urban areas of Harbin in Northeast China, were widely planted in our county. The main cultivated varieties include Wangyuan No. 3, Yumeiren imported from Japan, and Gaotangchengzao-58. Due to the high soil requirements for cantaloupe cultivation, rotation once every three years, coupled with suitable climate and large temperature differences between day and night, is the main industry for local agricultural industry structure adjustment and farmers' income increase

Production technology requirements

(1) Origin selection: The production area is mainly concentrated in Zhangliang Village, Changxin Township, Helan County, with a total production area of 200 hectares. The environmental quality of the origin must comply with the regulations of NY5010

(2) Variety selection: Mainly select local varieties from Helan County that are disease resistant, high-quality and high-yielding, have strong stress resistance, wide adaptability, and good commercial value. The seed quality meets the requirements of NB640102031-2005

(3) Production process management: The production process of Helan Zhangliang cantaloupe must comply with the "Technical Regulations for Production of Pollution free Food Sweet Melon" (NY5109-2005) standard

(4) Product Harvesting and Postpartum Processing: After 25-30 days of fruit development, the base of the fruit stalk of cantaloupe sheds its fuzz, the navel becomes soft, and there is a strong aroma unique to this variety at the navel, indicating that the fruit has matured. It can be harvested and put on the market, usually in early June

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

Typical quality characteristics and product quality and safety regulations

(1) External sensory characteristics: Fruit shapes include round, flat round, spindle shaped, elliptical, long rod-shaped, etc. The skin colors include green, white, yellow, as well as various light colored patterns, stripes, etc. The flesh comes in white, green, orange red, and often carries a fragrance

(2) Internal quality indicators: Each 100 grams of sweet melon flesh contains 0.4 grams of protein, 0.1 grams of fat, 6.2 grams of carbohydrates, 29 milligrams of calcium, 10 milligrams of phosphorus, 0.2 milligrams of iron, 0.03 milligrams of carotene, 0.02 milligrams of thiamine, 0.02 milligrams of riboflavin, 0.3 milligrams of niacin, and 13 milligrams of ascorbic acid. In addition, sweet melons also contain conversion enzymes that can convert insoluble proteins into soluble proteins. Sweet melon seeds contain 27% fatty oil, including linoleic acid, oleic acid, and palmitic acid. Glyceric acid, lecithin, cholesterol, etc. of stearic acid and soybean macroacid, containing approximately 5.78% globulin and gluten, as well as lactose, glucose, gum, resin, etc. Melon stems contain crystalline bitter substances such as cucurbitacin and cucurbitacin B, E, which have good health benefits

(3) Safety requirements: The production of Helan Zhangliang cantaloupe shall comply with the standard of "Pollution free Food Sweet Melon" (NY5109-2005)

Related regulations on packaging labeling

Raw material grading packaging, divided into two levels based on quality and appearance, with each box not exceeding 20 kilograms. Each product is individually labeled with a pollution-free label, and the packaging box is labeled with the agricultural product geographical indication "Helan Zhangliang Sweet Melon". Storage and transportation shall comply with the "Guidelines for Storage and Transportation of Pollution Free Food" (118NY5316-2006)