The fertile water is good for the fertile garden, and the rice flower is full of people. The unrepeatable natural environment gives birth to the unique quality of Tonghe rice. The grain is full, like jade, crystal clear, jade fat, aroma, and excellent taste. Tonghe rice is long grainy, with bright color and uniform texture. When cooking, you can smell a thick rice scent. The rice tastes soft and slightly sticky, sweet and glutinous, and the rice grain is shiny. After cooling, it can still maintain a good taste and does not regenerate. While satisfying the taste buds, people can taste the mellow taste of authentic rice.

Tonghe rice quality technical requirements (a) varieties. Dongnong 428 and other Dongnong series varieties. (2) Site conditions. The soil type is meadow white soil, the thickness of the tillage layer is ≥25cm, the soil organic matter content is ≥3%, and the soil pH is 6 to 6.5. (3) Cultivation management. 1. Nursery: Take the greenhouse to dry nursery, seedling time in April and mid-April. 2. Transplanting: The transplanting period is mid-May and mid-May. The transplanting density is ≤25,000 points per hectare, 3 to 5 per hole. 3. Field fertilizer management: Apply organic fertilizer ≥ 30 tons per hectare per year and stop irrigation 20 days before harvest. 4. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. (4) Harvesting. The harvest period is from late September to early October. (5) Processing. Rice → Screening → Stone Removal → Magnetic Separation → Shigu Valley → Grain Rough Separation → Rice Milling → Debris Rice → Color Selection → Polishing → Inspection → Packaging. (6) Quality characteristics. 1. Sensory characteristics: the grain is crystal clear, the gloss is good, the white grain rate is low, and the whiteness is small. When cooking, the rice has a clear fragrance, the rice grains are crystal clear, the mouthfeel is soft and oily, and the taste is good, the taste is good, and it does not return after cold. 2. Physical and chemical indicators: project glue consistency 垩 white grain rate index ≥ 80mm ≤ 5.0% 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 protection of Tonghe rice GI products may submit an application for the use of “Special Marks for Geographical Indication Products” to the Quality and Technical Supervision Bureau of Tonghe County, Heilongjiang Province, which is reviewed by the Heilongjiang Provincial Bureau of Quality and Technical Supervision and is subject to national quality inspection. The General Administration announced the approval. The legal inspection agency for Tonghe Rice is designated by the Heilongjiang Provincial Bureau of Quality and Technical Supervision.