Mung bean has a long history of cultivation in China, and its planting range is very wide. The total output has always been in the forefront of the world. It is mainly distributed in the Huanghuai River Basin and the Songliao Plain. Baicheng has been planting mung beans for more than 100 years and has become a major crop variety planted in Baicheng City. Over the past 100 years, the Baicheng area has maintained the habit of farming mung beans in villages and villages. There are also the custom of eating mung beans. Mung bean sprouts, mung bean porridge and mung bean cake are the special dishes on the table of Baicheng people. The production and life of mung bean and Baicheng people are closely related and inseparable.

Baicheng mung bean quality technical requirements (a) varieties. It is an excellent variety of mung bean such as Bailu 522, Bailu 6 and Bailv No. 8 which can meet the standard of Baicheng Mung Bean. (2) Site conditions. The soil is aeolian sandy soil, pale black calculus, and black soil at the bottom of gravel. The soil organic matter content is ≥1.5%, the total nitrogen content is 0.12% to 0.22%, the total phosphorus content is ≥0.20%, the total potassium content is ≥2.5%, and the soil pH is 7.0 to 8.2. (3) Cultivation management. 1. Sowing period: May 15th to June 5th. 2. Seeding density: row spacing 60cm, plant spacing is about 10cm to 12cm. 3. 150,000 to 180,000 seedlings per hectare. 4. Field management: Three shovel and three shovel are used, and pest control is mainly based on biological pesticides, which meets the standard. Fertilization should be based on organic fertilizer, with special fertilizer for mung bean. 5. Harvest: The cultivation area is harvested in two-thirds of all pods of mung bean into dark brown. Harvesting should be harvested in the morning when the dew is not dry or in the evening. (4) Processing. Production and processing in strict accordance with the processing procedures and standards of Baicheng Mung Bean. After processing and processing, Baicheng Mung Bean does not change the appearance characteristics of mung beans, and does not change the unique internal components of Baicheng Mung Bean. Mung beans are mechanically screened and the impurities are ≤0.5%. The net grain rate is ≥97%. (5) Quality characteristics. 1. Sensory characteristics: Baicheng mung bean has obvious characteristics such as large grain size (1000 grain weight ≥62g), full grain, bright color and bright green. 2. Physical and chemical indicators: should meet the requirements of Table 1. Table 1 (100g mung bean sample as standard) Item index protein ≥ 22.00g coarse starch ≥ 51.00g moisture ≤ 13.50g fat ≤ 1.40g sugar (based on total sugar) ≤ 5.30g crude fiber ≥ 3.50g calcium ≥ 14mg phosphorus ≤23mg iron ≥0.04mg

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Producers within the scope of protection of Baicheng Mung Bean Geographical Indication Products may submit an application for the use of “Special Marks for Geographical Indication Products” to the Baicheng Quality and Technical Supervision Bureau of Jilin Province, which shall be approved by the General Administration of Quality Supervision, Inspection and Quarantine.