Korean Journal of Soil Science and Fertilizer ISSN:0367-6315(Print) 2288-2162(Online) 한국토양비료학회 학회지

Agricultural lands have decreased continuously because of urbanization, land consolidation, road construction, etc. Especially, rapid urbanizing areas such as Gimpo-city in South Korea has the severe land-use change. In this regard, aim of our study was to investigate land-use changes including soil properties and soil information to provide the basic soil information and soil management practices in the region. The arable land in Gimpo-city had been reduced by 47,121 ha in 2017 since 1999. The ratio of the reduced arable land was about 22.1%. Our results showed that paddy fields located in alluvial plains were changed into upland or green house. In particular, paddy fields have been changed to not only upland, orchard, greenhouse cultivation but also fallow land. Moreover, our research using 462 soil codes (soil phases) and 1207.3 ha indicated that the number of soil series and soil phase increased to 47 and 79 from 43 and 74 individually. The largest increased area was Mangyeong (coarse silty, mixed, mesic family of Fluvaquentic Endoaquepts) soil series 418.3 ha which were modified from the existing Jeongbug and Chunpo soil series.

The various types of change of paddy field in Gimpo city.