Physico-Chemical Properties of Rainfall Interception Culture and Open Field Culture Soils of Rubus sp. In Gochang-gun, Jeollabuk-do

고창지역 복분자 비가림하우스 토양과 노지토양의 물리·화학적 특성

  • Chung, Byung-Yeoup (Advanced Radiation Technology Institute) ;
  • Lee, Kang-Soo (Crop Production and Technology Major, Chonbuk National University) ;
  • Kim, Myung-Kon (Department of Food Science & Biotechnology, Chonbuk National University) ;
  • Choi, Young-Hee (Gochang Agriculture Technical Center) ;
  • Kim, Moo-Key (Bio-environmental Science Major, Chonbuk National University) ;
  • Cho, Jae-Young (Bio-environmental Science Major, Chonbuk National University)
  • 정병엽 (한국원자력연구원 방사선과학연구소) ;
  • 이강수 (전북대학교 작물생산공학) ;
  • 김명곤 (전북대학교 바이오식품공학) ;
  • 최영희 (고창군 농업기술센타) ;
  • 김무기 (전북대학교 생물환경학) ;
  • 조재영 (전북대학교 생물환경학)
  • Received : 2008.07.19
  • Accepted : 2008.09.25
  • Published : 2008.10.30

Abstract

The physico-chemical properties of the rainfall interception culture (85 sites) and the open field culture soils (85 sites) in the area of Gochang-gun, Jeollabuk-do were surveyed. Soil textural distribution of the rainfall interception culture and the open field culture soils was 74% and 64% for silt loam, 16% and 35% for loam, and 10% and 1% for clay, respectively. The percentage of aggregate rates was higher in the open field culture soils (60.06%) than rainfall interception culture soils (55.84%). Electrical conductivity, exchangeable cations, and anions in the rainfall interception culture soils were higher than those in open field soils. Specially, accumulated amount of anion in rainfall interception culture soils was remarkably higher 2~3 times than open field culture soils. The results from the analyses of rainfall interception culture soils suggested that the most critical problem is the salts accumulation caused by over-fertilization of chemical fertilizer and compost. Therefore, application rates of chemical fertilizer and compost should be controlled in order to conservation of soil and water for sustainable agriculture.

Keywords

Rubus sp.;Rainfall Interception Culture;Salt Accumulation;Over-Fertilization

Acknowledgement

Supported by : 농촌진흥청

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