Weining Kidney Bean, also known as Kidney Bean, is commonly known as the second season bean, green bean, and is a leguminous bean. Weining Kidney Bean, a famous specialty in Weining County, is also a famous specialty in Guizhou Province. It is popular among consumers because of its bright color and full of particles. It has become one of Weining's tourism products.

Cowpea has a long history of planting and is a unique native product in Dafang County, Guizhou Province, which is located in the center of the Yunnan-Guizhou Plateau. Cowpeas originating in Mexico and Argentina are economic crops that were introduced and cultivated in China at the end of the 16th century. Suitable for planting in temperate and tropical high altitude areas, the unique climate characteristics of Guizhou Plateau have contributed to the growth habits of cowpeas with different temperature requirements at each stage. They are far away from cockroaches, preferring to grow on seemingly barren red soil, but they are born with nutrients. Due to the high altitude and low latitude of Weining County, the growth period of cowpea is slightly longer and the dry matter accumulation is relatively more. Therefore, it is not only of good quality, rich in nutrients, but also characterized by thin skin, sandy sand and fleshy hypertrophy. Kidney bean tastes sweet, warm, has the functions of warming the air, benefiting the stomach, stopping the phlegm, and benefiting the kidney and replenishing vital energy. It is a nourishing diet. Cowpea is also a rare high-potassium, high-magnesium, and low-sodium food. This feature is useful in nutritional therapy. Cowpea is especially suitable for patients with heart disease, arteriosclerosis, hyperlipidemia, hypokalemia and salt-free patients. White kidney bean has a very high protein content and is a full-price protein, close to animal protein. Rich in essential amino acids and a variety of minerals, fresh beans are also rich in vitamin C. The content of vitamin A and iron in red kidney beans is particularly rich, and it has the effects of digestion, spleen, stomach, kidney, strong bone and anti-rheumatic. The protein content of the kidney bean is as high as 18%, and there are as many as 17 kinds of amino acids, which have the effect of supplementing blood and supplementing calcium. Flower kidney beans can also reduce the fat content of various meats, which is really a good soup. It has therapeutic effects on obesity, hypertension, coronary heart disease, diabetes, and arteriosclerosis. Modern medical analysis believes that cowpea also contains unique components such as saponin, urinary enzyme and various globulins, which can improve the immunity of human blood, enhance disease resistance, activate lymphatic T cells, and promote the synthesis of DNA. The development of tumor cells has an inhibitory effect and has received the attention of the medical community. Its content of urease is very effective in patients with hepatic coma. Eat appropriate: cowpea should not be raw. Because cowpeas produce toxins when eaten raw, it can cause diarrhea, vomiting, etc., and it is not suitable to eat kidney beans. Kidney beans must be cooked before they can be eaten. High temperature can destroy the toxic protein in cowpea kernels, so eating cowpea must be cooked and cooked to eliminate its toxicity and better exert its nutritional benefits, otherwise it will cause poisoning. Cowpeas produce too much gas during digestion and absorption, causing swelling. Therefore, people with poor digestion and chronic gastrointestinal diseases should eat as little as possible. The delicious recipe of cowpea is washed with sweet beans and kidney beans. Adding pure water for one night (in most places in China, if you use raw water bubbles, you will have a fermented taste or a chlorine smell is very heavy). Add more rock sugar and more water pressure cooker for half an hour, hot to eat cold and eat ice and eat is super good. Salted beans, pigs and elbows, plus the beans that are soaked in the above statement, as well as rice wine, Shanghai banquet soy sauce, a little rock sugar. The pressure cooker simmered for half an hour and the hot food was very delicious. If you add half a catty of clean skin, rub for 45 minutes, remove all the bones, tear the meat, pour it into the basin, and cool it is delicious bean jelly. After the spiced kidney beans are washed, add water to soak for 12 hours. The time of the bubble is as long as possible, the soaked cowpeas are fished out, the water is poured off, and the ginger is sliced. Kidney Bean, Star Anise, Cinnamon, Pepper, Scallion, Ginger and Sugar are put into the skillet. Add some water to the fire and boil for 40-60 minutes. Cook until the kidney beans are fully cooked. Add salt and mix well after the fire, then cool.

Weining Kidney Bean Quality Technical Requirements 1. Protect the name Weining Kidney Bean. II. Protection scope The geographical protection scope of Weining Kidney Bean is: Shanqiao Street, Wuligang Street, Caohai Town, Xiaohai Town, Shuanglong Town, Guanfenghai Town, Xiushui Town, Yinna Town, Black Soil, Weining Autonomous County, Bijie City, Guizhou Province. Hezhen, Shimen Township, Xueshan Town, Yungui Township, Rabbit Street Town, Longjie Town, Dajie Township, Yancang Town, Bandi Township, Moutian Town, Mawei Town, Heishi Town and Haila Town are under the administrative jurisdiction. Third, the quality and technical requirements (a) Variety Weiwei No. 1, Weiwei 2, Huadoudou and other local main bean varieties. (II) Site conditions The altitude of the production area is 1700~2400m. The soil type is mainly yellow brown soil, yellow soil and purple sand soil. The soil pH value is 5.5~7.0, the soil organic matter content is ≥1.0%, and the soil layer thickness is ≥50cm. (III) Cultivation management 1. Site preparation: Select sandy soil with deep soil and good permeability. Weeding, tilling, hoeing and applying a proper amount of base fertilizer before planting. 2. Election: Choose to rotate with potato, corn or intercropping. 3. Seed selection: Use seeds of uniform size and fullness. The seed purity is required to be ≥98.0%, the clarity is ≥97.0%, and the germination rate is ≥90.0%. 4. Planting: The time is from early April to late April. The planting density is about 200,000 plants per hectare. 5. Field management: 2~3 times of cultivating and weeding from seedling stage to flowering. 6. Fertilization: Apply appropriate amount of decomposed organic fertilizer. 7. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. 4. Harvesting and processing (1) Harvesting 1. Harvesting time: from early August to late August each year. Harvesting begins after 80% of the whole plant is ripe. 2. Harvesting and drying: After harvesting, it is naturally dried to a moisture content of ≤ 13.5%. (2) Processing Process: screening → decontamination → color selection → finishing → metering and packaging. V. Quality characteristics (1) Sensory characteristics: Weiwei No. 1: The shape of the grain is kidney-shaped and the color is bright; the grain size is even and full; the color is purple-black or purple-red; the taste is delicate and dense, with a clear fragrance. Weiwei No. 2: The shape of the grain is straight kidney shape, the color is brighter; the grain size is even and full; the color is purple or purple black; the taste is delicate and dense, with a clear fragrance. Flower Kidney Bean: The shape of the grain is flat kidney shape, the color is bright; the grain size is even and full; the color is purple-red and milky white or purple-black and milky white; the taste is delicate and dense, with a clear fragrance. White kidney bean: The shape of the grain is kidney-shaped and the color is bright; the grain size is even and full; the color is milky white; the taste is delicate and dense, with a clear fragrance. (2) Physical and chemical indicators: moisture (%) ≤ 13.5; crude fat (%) ≤ 1.6; crude protein (%) ≥ 22.0; starch (%) ≥ 28.0. (3) Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

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Producers within the scope of Weining's cowpea production area may apply to the Weining County Market Supervision Administration of Guizhou Province for the use of the \"Special Mark for Geographical Indication Products\", which shall be reviewed by the Guizhou Provincial Bureau of Quality and Technical Supervision and announced to the General Administration of Quality Supervision, Inspection and Quarantine for approval. The testing organization of Weining Kidney Bean is selected by the Guizhou Provincial Bureau of Quality and Technical Supervision in the testing institutions that meet the qualification requirements.