The producing area is located in wuchang city, which belongs to one of the three black soils in the world. The soil is rich in minerals and moderate in pH and trace elements, which is very beneficial to the growth of rice. Moreover, it is planted by the ancient method, and the whole process of artificial rank insertion, weeding and harvesting ensures zero chemical fertilizer, zero pesticide and zero pollution. It has the advantages of pure jade, smooth and gorgeous oil, mellow and refreshing mouth, high nutritional value and moderate trace elements, and can be called a noble in rice.
The production area belongs to the continental monsoon climate of cold temperate zone, where the four seasons are distinct, and the rain and heat are the same season, which is very beneficial to the growth of rice. Therefore, the rice planted has the characteristics of crystal clear, sweet and glutinous, soft taste, fragrant fragrance and rich nutrition, which is quite popular among the people.
The land where it grows is a large area basalt solidified by lava flowing from volcanic eruption, and its soil is formed by rock weathering and humus deposition for hundreds of millions of years. The thickness of the soil is about 20-30 cm, and the soil is soft and fertile, in which minerals, organic matter and trace elements are extremely rich. As a specialty of Ning 'an City, Mudanjiang City, Heilongjiang Province, it has the advantages of crystal clear, green as jade and full of grains.