Red adzuki beans are also known as adzuki beans, red adzuki beans, red adzuki beans, small beans. English name: Red adzuki bean. red bean is rich in starch, so it is also known as "rice beans". Red adzuki bean contains a variety of nutrients, per 100 grams of red adzuki bean contains 21.7 grams of protein, 0.8 grams of fat, 60.7 grams of carbohydrates, calcium 76 mg, phosphorus 386 mg, iron 4.5 mg, thiamin 0.43 mg, riboflavin 0.16 mg, niacin 2.1 mg. Red bean protein in lysine content is high, it is appropriate to mix with cereals into bean rice or bean porridge to eat, generally made into bean paste or as raw materials for pastries. Li Shizhen called red beans for the "heart of the valley", its function is "to produce fluid, facilitate urination, eliminate bloating, remove swelling, vomiting", and cure "dysentery, detoxification of alcohol, in addition to cold and heat pain and swelling, discharge pus and blood, and through the milk ...... ".

History

China is the origin of small beans. To date, in the foothills of the Himalayas in China, there are still small beans wild species and semi-wild species exist. India, Korea, Japan and other countries are also cultivated, with China producing the most. Small beans have a long history of cultivation in China. Ancient medical books, "Shennong Ben Cao Jing", there are about the medicinal use of small beans recorded. Ancient agricultural book "qimin yaojutsu", has been detailed in the cultivation of small beans and utilization of technology. This shows that China's cultivation of small beans has a history of at least 2000 years.

Red bean has a strong adaptability. The soil requirements are not high, barren, clay, sandy soil are

can grow, Chuan Dao, mountains can be planted. Both flood-resistant, and drought-resistant, late planting and early maturity, short reproductive period, cultivation technology is simple, can be done to replenish the crop. General hole sowing, row spacing 25 ~ 35 cm, plant spacing 16 cm, each hole

4 ~ 5 seeds, 1.5 ~ 2.5 kilograms of seed per acre, about 100 days of fertility, spring and summer broadcasting, pure seed, set seed can be. General yield of 150 to 250 kilograms per mu. Northern Shaanxi is a semi-arid climate, frost-free

period of 165 days or so, the soil is yellow sheep soil class,

Soil loose, deep soil layer, conducive to seed germination, seedling and root growth. The average annual temperature of 9.7 ℃, ≥ 10 ℃ of the effective temperature 3499.2 ℃, stable through 10 ℃ of the number of days 176 days or so;

Annual sunshine hours of 2615 hours; annual precipitation of 480 mm or so, more concentrated in the summer, June to September precipitation 352 mm, accounting for 73% of the annual precipitation, rain and heat in the same season. 6 to September is the growth of the red bean

The season is in full swing. Natural conditions are extremely favorable for the accumulation of starch, protein and keep the granules bright red bean crop, to create good conditions for its growth and development.