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배수불량 간척지에서 배수처리가 제염 및 작물생육에 미치는 영향 KCI 등재

Drainage Effect on Desalinization and Crop Growth on a Poorly Drained Soil in the Reclaimed Tidal Flat Land

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한국국제농업개발학회지 (The Journal of the Korean Society of International Agriculture)
한국국제농업개발학회 (The Korean Society Of International Agriculture)
초록

To determine the effect of soil salinity and crop response according to drainage methods, a field experiment was conducted in reclaimed tidal flat land adjacent to Yeongsangang located at Sanyimyon Haenamgun Jeonnam province for three years from 2012 to 2014. Three drainage methods, subsurface drainage (SD), 30 cm open ditch drainage (OD30) and 60cm open ditch drainage (OD60) tested on silt loam soil. In SD and ND, soil salinity were lower than OD30 and OD60 but there was no significant soil EC to the depth of open ditch. SD had a little effect in lowering ground water table. Waterlogging intensity in SEW30 values during the growing season was the lowest in SD 297 compared with the OD30 855, ND 1,420 and OD60 1,553 cm-day. From the above results, subsurface drainage system control soil salinity and waterlogging. Also, the open ditch drainage had an effect on drainage improvement but there was no significant effect on desalinization. So drainage and soil reclamation were essentially needed to stable upland crop cultivation at the reclaimed tidal flat land.

저자
  • 배희수(농촌진흥청 국립식량과학원) | Hui-Su Bae
  • 이수환(농촌진흥청 국립식량과학원) | Su-Hwan Lee
  • 황재복(농촌진흥청 국립식량과학원) | Jae-Bok Hwang
  • 박홍규(농촌진흥청 국립식량과학원) | Hong-Kyu Park
  • 이건휘(농촌진흥청 국립식량과학원) | Geou-Hwi Lee
  • 이경보(농촌진흥청 국립식량과학원) | Gyeong-Bo Lee
  • 이교석(충남대학교 농업생명과학대학) | Kyo-Suk Lee
  • 이동성(충남대학교 농업생명과학대학) | Dong-Sung Lee
  • 홍병덕(충남대학교 농업생명과학대학) | Byeong-deok Hong
  • 이자현(충남대학교 농업생명과학대학) | Ja-hyun Lee
  • 정덕영(충남대학교 농업생명과학대학) | Doug-Young Chung Corresponding author