Meris onion

"Meris onion", a specialty of Merris Township, Daur Nationality, Heilongjiang Province. China's national geographical indication protection product. With good quality, its nutrient content is 0.3% higher than that of onions in other regions. Exported to Russia, Japan, South Korea, the Philippines and many other countries and regions. State-approved A-grade green food logo.

"Meris onion" refers to onions produced in the township of Meris in the Daur Nationality of Heilongjiang Province. According to the determination of the relevant departments, the content of various nutrients on the Meilis onion is 0.3% higher than that of onions in other regions. The good climate characteristics and specific planting techniques of the Meilis Township of the Daur Nationality in Heilongjiang Province gave birth to the exceptional quality of the onion. It was well-known throughout the country for its excellent quality, and it was exported to Russia, Japan, Korea, the Philippines and many other countries and regions. In 2006, the township "Big Eight Flags" onion received the national A-grade green food logo. At the beginning of 2007, Meilis onion was approved by the General Administration of Quality Supervision, Inspection and Quarantine as the “product of geographical indication protection” with its unique quality.

In order to develop the onion industry, Mei District adheres to the overall strategy of “playing green cards and adopting distinctive roads” and always takes the onion industry as an important measure for increasing agricultural efficiency and increasing farmers' income. Efforts have been made to form industrial support, and efforts have been made to promote the regional distribution, scale planting, standardized production, and industrialization of high-quality green onion products, and work hard to increase the declaration and certification of onion green product titles, registrations, and green standards. Onion production organization, marketization, as well as comparative benefits and market competitiveness. In terms of planting, the district promoted standardized production and formulated the “Technical Specification for Standardized Production of Onions”. It was printed and distributed to the onion farmers, and training courses were held. They also sent agricultural technicians to in-depth field guidance. On this basis, the district vigorously supported the onion associations, giving priority to capital and base construction, giving full play to the association's guidance and assistance in the aspects of nursery, cultivation, field management, use, and sales of pesticides and fertilizers. .

The scope of protection of the geographical indication products of the Meilis Onion shall be subject to the scope of the proposal of the “Registration for the Application of Geographical Indications for the Protection of Meris Onions” (Qi Meizheng [2005] No. 24) of the People’s Government of the Meilis Daur Nationality in Qiqihar City, Heilongjiang Province. Heilongjiang Province, Qiqihar City, Meridian Daur Nationality District, Mersey Township, Yarsay Town, Gonghe Town, Dahudian Town, Wonunuo Township, Qigetu Township and other six townships govern the administrative area.

(a) Variety.

"Great Eight Banners."

(b) site conditions.

The soil types are chernozem, sandy loam and meadow soil, with a pH value of 6.8 to 7.5 and an organic matter content of ≥3%.

(c) Cultivation and management.

1. Plot selection: Non-onion and garlic plots should be implemented for more than 3 years.

2, site preparation standards:

(1) Deep-soiling and soil preparation: farmland fertilizer ≥ 30 tons/ha, diammonium phosphate ≤ 0.2 tons/ha, and potassium sulfate ≤ 0.15 kg/ha.

(2) Workmanship: The width is 1 to 1.1 meters.

3, nursery: nursery time: February 1 to March 5, greenhouse cultivation, age ≥ 60 days, plant height ≥ 15 cm, more than 3 leaves.

4. Colonization: Before May 15, the planting density was ≤450,000 plants/ha.

5, water and fertilizer management:

(1) According to soil moisture and plant fertility timely irrigation, stop watering 20 days before harvest.

(2) Mainly organic fertilizer, top dressing 2 to 3 times according to growing conditions.

6. Harvesting: harvesting is completed before September 10, and drying is carried out on the spot for 2 to 3 days after harvesting.

7, storage: storage at room temperature, storage period of not more than 8 months.

Quality Index

1, sensory indicators: Onion round, good fruit shape, color, copper yellow, no damage to the appearance and pests and scars, 2 to 3 layers are not peeling.

2, physical and chemical indicators: diameter ≥ 4.5 cm; sphere index 0.75 to 0.99; hardness ≥ 10.0 × 10 pa; specific gravity ≥ 1.00g/ml.

Each 100 grams of onion moisture ≤ 91g, carbohydrate 5g to 8g, crude fiber 0.5g to 0.8g, soluble solids ≥ 8.0%.

Efficacy and function

Onions contain no fat, but they contain essential oils, which in turn contain cholesterol-lowering substances. Onions also contain prostaglandin-like substances and components that activate the activity of blood-soluble fibrin. These substances are strong vasodilators, can reduce peripheral blood vessels and heart coronary artery resistance, against the role of catecholamines and other pressurized substances in the human body, but also can promote the excretion of sodium salts, so that the blood pressure drop. Particularly beneficial to cardiovascular patients such as hyperlipidemia and hypertension.

How to pick onions

To buy onions, the more dry the skin, the better, the better the degree of wrapping the better; from the outside, it is best to see the brown texture of the transparent skin.

Onions have orange peel and purple skin, orange peel on each layer of thick, more moisture, relatively crisp texture; purple skin less water, each layer is relatively thin. Yellow skin is sweeter and purple skin is more spicy.

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