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Assessing Southern-type Garlic Suitability with regards to Soil and Temperature Conditions

기온과 토양요인을 고려한 난지형 마늘 재배적지 분석

  • Kim, Yong-Wan (Graduate school, Gyeongsang National Univ.) ;
  • Jang, Min-Won (Dept. of Agricultural Eng.(Inst. of Agri. & Life. Sci.), Gyeongsang National Univ.) ;
  • Hong, Suk-Young (Dept. of Agricultural Environment, National Academy of Agricultural Science) ;
  • Kim, Yi-Hyun (Dept. of Agricultural Environment, National Academy of Agricultural Science)
  • 김용완 (경상대학교 대학원) ;
  • 장민원 (경상대학교 지역환경기반공학과 (농업생명과학연구원)) ;
  • 홍석영 (국립농업과학원 농업환경부) ;
  • 김이현 (국립농업과학원 농업환경부)
  • Received : 2012.01.05
  • Accepted : 2012.02.15
  • Published : 2012.04.30

Abstract

This study was carried out to evaluate the land suitability for southern-type garlic cultivation associated with both temperature and soil constraints. The suitability analysis was conducted with hourly temperature data from 2001 to 2010 at all fifty seven meteorological stations and the soil-based suitability map of garlic provided by Rural Development Administration. Firstly the temperature data were processed by the growth stages (germinating, bulbing, and winter vegetation season), and then were adopted to limit the irrelevant lands. Next, as a result of overlaying each soil and temperature suitability map, the total 274,339 ha of area was mapped as highly suitable or suitable for southern-type garlic cultivation and the top four of the largest classified si-guns were identified as Naju, Jeongeup, Gochang, and Jinju. On the other hand, the statistical records of KOSIS (KOrea Statistical Information Service) showed lower amount of cultivation area than the analyzed results in the major production sites, Goheung, Sinan, Haenam, and Muan. However, it should not be regarded as exceptional because farmer's preference might not correspond to potential land usability.

본 연구는 난지형 마늘의 생육시기별 기온을 고려하고 토양조건을 반영하여 난지형 마늘의 재배적지를 분석하였다. 그 결과 난지형 마늘의 재배적지는 영 호남지방을 중심으로 분포되었다. 그 중 최적지와 적지로 분류된 면적이 많은 지역은 나주시 14,058 ha, 정읍시 13,845 ha, 고창군 12,278 ha, 진주시 11,055 ha, 창녕군 9,713 ha 등으로 나타났으며, 난지형 마늘 주생산지의 경우 무안군이 5,216 ha, 해남군 5,092 ha, 고흥군 3,212 ha, 신안군 2,253 ha, 남해군 958 ha로 각각 분석되었다. 그리고 토지이용조건을 추가로 고려하여 분석한 결과와 주생산지의 실제 난지형 마늘재배면적을 비교한 결과 고흥군과 신안군이 실제 재배면적과 비슷하게 분석되었으며 해남군과 무안군은 실제재배면적보다 크게 나타났고 남해군의 경우는 분석결과가 작게 나타났다. 작물 재배는 여러 가지 생육조건과 사회적 영향 등을 고려하여 이루어지므로 난지형 마늘의 실제 주생산지와 본 연구에서 나타난 난지형 마늘 재배적지는 다소 차이가 있다. 하지만 향후 우리나라에서 난지형 마늘 재배 시 본 연구에서 도출된 재배적지 분석결과를 이용하게 되면 난지형 마늘의 효율적인 재배가 가능 할 것으로 사료되며 보다 효율적인 재배적지 분석을 위해서는 차후 토양과 기온조건 외에도 농업수리 등 다른 변수들도 고려되어야 할 것으로 사료된다.

Keywords

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