Studied the size of soil by land category to select places suitable for cultivating oriental medicines, the speciaity of Chollabuk-do Provincial Government and property and size of the centering aroung topsoil. And the results are summarized as follows. 1. The total size of the soil of Kochang-gun, Muju-gun, Puan-gun, Sunchang-gun, Wanju-gun, Imshil-gun, Changsu-gun including Chinan-gun totaled adout 4,966,999.4㎢. 2. As for land category, forestry was 69% of a total size as about 3,402,272.8㎢. Rice field was 14% of a total size as about 677,428.2㎢. Dry field was 8% of a total size as about 405,966.5㎢. Though grassland and orchard did not amount to 1% as about 9,716.5 ㎢ and 228.6㎢, respectively other kinds of soil were 9% as about 464,963.9㎢. 3.As for the property of soil, loam was 59% as about 2,928,683.7㎢. Sandy loam was 30% as about 1,490,150.4㎢. Silty loam was 7% as about 359,656.7㎢. Sandy clay loam was 1% as about 57,858.5㎢. Sandy soil of good quality Anlehmiger sand did not amount to 1% as about 6,002.3㎢. While other kinds of soil were about 3% as about 124,647.8㎢.

• 辛民敎(圓光大學校및 醫藥資源硏究센터) | 신민교