Korean Journal of Soil Science and Fertilizer (한국토양비료학회지)

Korean Society of Soil Science and Fertilizer (한국토양비료학회)
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Effect of Swine Liquid Manure on Soil Chemical Properties and Growth of Rice (Oryza sativa L.)

양돈분뇨 발효액비 시용이 토양 화학성과 벼 (Oryza sativa L.) 생육에 미치는 영향

  • Lee, Kyu-Hoi (Yeonggwang Agricultural Technology Center) ;
  • Yoo, Jae-Hong (Team of Agricultural Microbiology, National Academy of Agricultural Science, RDA) ;
  • Park, Eun-Ju (Yeonggwang Agricultural Technology Center) ;
  • Jung, Yeong-In (Yeonggwang Agricultural Technology Center) ;
  • Tipayno, S.C. (Department of Agricultural Chemistry, Chungbuk National University) ;
  • Shagol, C.C. (Department of Agricultural Chemistry, Chungbuk National University) ;
  • Sa, Tong-Min (Department of Agricultural Chemistry, Chungbuk National University)
  • 이규회 (영광군농업기술센터) ;
  • 유재홍 (농촌진흥청 국립농업과학원 농업미생물팀) ;
  • 박은주 (영광군농업기술센터) ;
  • 정영인 (영광군농업기술센터) ;
  • ;
  • ;
  • 사동민 (충북대학교 농업생명환경대학 농화학과)
  • Received : 2010.11.04
  • Accepted : 2010.12.03
  • Published : 2010.12.31
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Abstract

This study was conducted to evaluate the effect of swine liquid manure (SLM) on rice grown in Yeonggwang-gun in 2008. The treatments consisted of SLM and chemical fertilizer (CF) based on the recommended amount of nitrogen (11 kg N $10a^{-1}$). The Total N content of the SLM used was 2,881 mg $L^{-1}$. Plant height at the early stage of growth and tiller number were not significantly different between plots applied with swine liquid manure and those with chemical fertilizer in all areas. Plant height at the later stage of growth, lodging and yield were not significantly different between plots applied with swine liquid manure and those with chemical fertilizer in three areas (Baeksu, Gunnam, Beopseong). Plant height at the later stage of growth, as well as lodging were higher in SLM plots than in chemically fertilized plots in Yeonggwang and Yeomsan. However, grain yield was lower in SLM plots than in chemically fertilized plots in these areas. Soil organic matter content and exchangeable cations increased in the swine liquid manure applied plots. Moreover, heavy metal content did not increase in the plots treated with swine liquid manure. Further research to determine the suitable rate of swine liquid manure is needed to reduce lodging damage and to increase the yield and quality of rice.

영광지역에서 양돈분뇨 발효액비를 활용한 벼 재배 현장평가를 통하여 가축분뇨 발효액비의 시용이 벼의 생육특성, 수량, 수량구성요소, 쌀 품질, 토양화학성에 미치는 영향을 조사한 결과는 다음과 같다. 공시 양돈분뇨 액비의 총질소 함량은 2,881 mg $L^{-1}$이었다. 토양화학성 변화 중 pH는 양돈분뇨 발효액비 처리구와 화학비료 처리구 간에 일정한 경향을 보이지 않았으나, EC와 유기물은 화학비료 처리구 보다 양돈분뇨 발효액비 처리구에서 높은 경향을 나타내었다. 양돈분뇨 발효액비 시용 후의 토양의 치환성 칼륨 함량은 화학비료 처리구보다 낮은 경향을 보였다. 양돈분뇨 발효액비 시용에 따른 논토양의 중금속함량은 높아지지 않았으며, 시험 후 토양의 구리와 아연 함량은 토양환경보전법의 토양오염 기준치 이하였다. 분얼기인 이앙 후 30일, 유수형성기인 이앙 후 80일, 수확기인 이앙 후 110일에 평균 초장 및 경수는 양돈분뇨 발효액비 처리구와 화학비료 처리구에서 유의성 있는 차이가 나타나지 않았다. 주당수수는 백수, 법성, 염산의 3개 지역 모두에서 양돈분뇨 발효액비 처리구와 화학비료 처리구간의 유의성 있는 차이가 나타나지 않았다. 등숙률은 백수, 군남, 법성의 3개 지역의 양돈분뇨 발효액비 처리구에서 80.3~84.9%로 화학비료 처리구 78.4~82.6% 보다 유의성 있는 증가를 보였다. 정조수량은 백수와 군남 지역에서는 양돈분뇨 발효액비 처리구와 화학비료 처리구간의 유의성 있는 차이가 나타나지 않았지만, 영광과 염산 지역에서는 양돈분뇨 발효액비 처리구에서 695.3~722.6 kg $10a^{-1}$로 화학비료 처리구 730.5~735.5 kg $10a^{-1}$보다 유의성 있게 낮은 수량을 나타내었다. 도복율은 영광과 염산 지역에서는 양돈분뇨 발효액비 처리구에서 1.9~2.2%로, 화학비료 처리구 0.4~1.2% 보다 유의성 있게 높은 수치를 나타내었다. 백수, 군남, 법성, 염산의 4개 지역에서 백미의 단백질 함량은 양돈분뇨 발효액비 처리구와 화학비료 처리구간의 유의성 있는 차이가 나타나지 않았다. 따라서, 양돈분뇨 발효액비를 벼에 대한 기준시비량 11 kg N $10a^{-1}$를 기준으로 균일 살포하였을 때 화학비료 시용과 비교해서 생육 (초장, 경수), 수량 및 미질 면에서 큰 차이가 나지 않음을 나타내었다.

Keywords

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