The Study on the Limiting Factor to Determine Available Soil Depth in Korea
2008
Hyun, B.K. (National Institute of Agricultural Science and Technology, RDA, Suwon, Republic of Korea), E-mail: [email protected] | Rim, S.K. (National Institute of Agricultural Science and Technology, RDA, Suwon, Republic of Korea) | Jung, S.J. (National Institute of Agricultural Science and Technology, RDA, Suwon, Republic of Korea) | Sonn, Y.K. (National Institute of Agricultural Science and Technology, RDA, Suwon, Republic of Korea) | Song, K.C. (National Institute of Agricultural Science and Technology, RDA, Suwon, Republic of Korea) | Noh, D.C. (National Institute of Agricultural Science and Technology, RDA, Suwon, Republic of Korea) | Lee, H.S. (National Institute of Agricultural Science and Technology, RDA, Suwon, Republic of Korea) | Hyun, G.S. (National Institute of Agricultural Science and Technology, RDA, Suwon, Republic of Korea) | Zhang, Y.S. (National Institute of Agricultural Science and Technology, RDA, Suwon, Republic of Korea) | Hong, S.Y. (National Institute of Agricultural Science and Technology, RDA, Suwon, Republic of Korea) | Park, C.W. (National Institute of Agricultural Science and Technology, RDA, Suwon, Republic of Korea) | Kim, L.H. (National Institute of Agricultural Science and Technology, RDA, Suwon, Republic of Korea) | Choi, E.Y. (National Institute of Agricultural Science and Technology, RDA, Suwon, Republic of Korea) | Jang, B.C. (National Institute of Agricultural Science and Technology, RDA, Suwon, Republic of Korea)
The limiting factors to determine available soil depth were studied with 390 soil series in soil profile description and physicochemical data in Korean soils. The limiting factors were coarse sandy layer, gravel and skeletal layer, hardpan layer, cat clay layer, poorly drained layer, salt accumulated layer and bed rock layer so on. The soils of having limiting factors were 332 soils series, but soils without limiting factors were 58 soil series. Soils with limiting factors were, hardpan 5, slopeness 93, immature soil 29, cinder 5, sandy 42, gravel or skeletal 47, bedrock 19, high salt content 8, poorly drained soil 22, heavy clay 32, sulfate soil 3 and ash soil 27 etc. And the orders of available soil depth were immature greater than slopeness greater than ash greater than heavy clay greater than sandy greater than gravel or skeletal greater than hardpan greater than cindery greater than poorly drained greater than bedrock greater than acid sulfate soil greater than salt accumulated soil etc.
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