As a Mingshui County in Jiangnan under the “grain of grains”, there is a good habit of farmers planting black beans in history. As the saying goes: "A bunch of tonics is not as good as a black bean". It is known as the king of beans. According to the "Compendium of Materia Medica" records: "Always eat black beans, can not be sick." Black beans can nourish liver and kidney, can control water, swelling, gas, heat and blood, and blood and poison, and liver and kidney health to improve vision great help. These two important nutrients not only relieve eye fatigue, but also help prevent vision loss and help to efficiently consume nutrients. According to the theory of traditional Chinese medicine, black beans have strong kidney and waist function, anti-aging and anti-aging, and have the effect of enhancing vital energy, tonifying kidney and prolonging life.

Mingshui County is located in the 47° north latitude agricultural product gold industry belt. It is one of the only three black land in the world. It is located in the core area of ​​the cold soil black soil and the hinterland of the Songnen Plain. The black soil is the most fertile land resource, every 200 The formation of one centimeter in the year, the average thickness of the black soil layer of cultivated land in Mingshui County is more than 1.5 meters, and the organic matter content is 10 times that of loess. The high organic matter content of black soil is the high-quality production base of high-quality green characteristic agricultural and sideline products, which is called the pearl on the black soil of cold land. With the advantage of cold soil black soil, Mingshui Black Bean has only one season crop of cold soil black soil, ice and snow, clean ice and snow river irrigation, using excellent varieties, produced according to pollution-free agricultural products standards, with high protein, low calorie characteristics, taste Sweet and flat, good medicine and food, regular food can soften blood vessels, moisturize the skin, delay aging, especially for patients with high blood pressure, heart disease, etc., its protein content is 2 times that of meat, 3 times of eggs, 12 of milk Times. At present, black bean cultivation in Mingshui County has become a major leading industry in the county. There are more than 3,000 farmers in the county planting, with an annual planting area of ​​about 100,000 mu, an annual output of 1,500 tons of black beans, and a large processing enterprise in the county. With a volume of 2,000 tons, a one-stop industrial chain of black bean cultivation, processing and deep processing has been formed. At present, a black bean planting base centered on Mingshui County has been formed. In July 2016, “Mingshui Black Bean” was awarded the National Geographical Indication Product by the General Administration of Quality Supervision, Inspection and Quarantine. Mingshui Black Bean is not only popular in large and medium-sized cities in China, but also popular among people in South Asia and Latin America. It is exported to more than 20 countries including India, Venezuela, Cuba and Costa Rica. The largest black bean production and processing enterprise in Mingshui, Fufeng Company, has become South. The designated supplier of Wal-Mart in the Americas. Under the development strategy of the county party committee and the county government to “play green cards and take distinctive roads”, the black bean industry in Mingshui County adheres to the development policy of “stable scale, structural adjustment, strong management, and increase income”, and actively promotes regionalized and large-scale production. Strengthen demonstration and guidance, focus on supporting leading enterprises, and rapidly promote the development of black bean industry. The black bean industry cluster has begun to take shape and has unique industrial advantages and huge expansion space. At the end of July 2018, the relevant staff of the Special Appraisal Activities Committee of China Special Products Association and China Special Product Association conducted a site inspection of the black bean industry in Mingshui County and passed the township review. On August 8, 2018, the China Special Products Association awarded the honorary title of "China's Black Bean Township" in Mingshui County.

Mingshui Black Bean Quality Technical Requirements I. Variety Longjingdou No.10, Longyandou No.4 and other suitable varieties for local cultivation. 2. Site conditions The soil type is chernozem, the soil texture is medium loam, the organic matter content is ≥3%, and the pH value is ≤7.0. Third, cultivation management 1, seed selection and treatment Seed selection before seeding, to ensure that the seed purity is higher than 95%, the germination rate is not less than 90%. Seed dressing with 35% Dukefu seed coating to control pests and diseases. 2. Sowing time The sowing time is from mid-May to late May. 3, sowing method and density using strip or hole sowing, sowing depth of 3cm-5cm is appropriate, timely suppression after sowing. There are two rows on the ridge, the plant spacing is about 15cm, and the number of seedlings per 667m2 is ≤14,000. 4, fertilization per mu of mature organic fertilizer ≥ 1500kg, diammonium phosphate ≤ 15kg / mu, potassium sulphate ≤ 5kg / acre, urea ≤ 3kg / acre. 5, environmental and safety requirements The use of pesticides, fertilizers, etc. must comply with the relevant national regulations, and must not pollute the environment. Harvesting and storage Harvest time From mid-September to late September, when the black bean stems and pods turn yellow, the stems are dry and the plants are shaken. When the beans are rounded and the leaves are more than 80%, they can be harvested. After cutting, naturally dry for 5d ~ 7d. Single harvesting, single pulling, single threshing, single storage. V. Quality Features 1. Sensory characteristics: The surface is black or grayish black, smooth or wrinkled, shiny, and has a yellowish white long oval umbilical on one side. Hard, the seed coat is thin and brittle, and it has a cardamom smell. 2, physical and chemical properties: water ≤ 13.0%, protein ≥ 18.5%, crude fat ≥ 34.8%. 3. Safety and other quality technical requirements: Product safety and other quality technical requirements must meet the relevant regulations of the state for similar products.

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Producers within the scope of the production of Mingshui black beans may submit an application to the Mingshui County Market Supervision Administration for the use of the “Special Mark for Geographical Indication Products”, which shall be reviewed by the Heilongjiang Provincial Bureau of Quality and Technical Supervision and announced to the General Administration of Quality Supervision, Inspection and Quarantine for approval. The detection mechanism of Mingshui Black Bean is selected by the Heilongjiang Provincial Bureau of Quality and Technical Supervision in the inspection institutions that meet the qualification requirements.