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논문 기본 정보

자료유형
학술저널
저자정보
이성태 (경상남도농업기술원) 서동철 (순천대학교) 조주식 (순천대학교) 김은석 (경상남도농업기술원) 송원두 (경상남도농업기술원) 이영한 (경상남도농업기술원)
저널정보
한국토양비료학회 한국토양비료학회지 한국토양비료학회지 제44권 제3호
발행연도
2011.6
수록면
408 - 414 (7page)

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The purpose of this study was to find out optimum cultivated regions for rice organic farming. The organic and conventional rice as control were grown in three different places : secluded hill paddy field for Hapcheon, normal rural paddy field for Sancheong, and suburban paddy field for Jinju from 2005 to 2006. In secluded hill paddy field, the organic material and pesticide to control pest and disease were input twice for organic and conventional rice cultivation. However, in normal rural and suburban paddy field, those were input three times for organic and conventional rice cultivation. The occurrence of sheath blight in organic farming was higher than in conventional farming. Whereas brown planthopper population per 20 plant was significantly high 10.1~19.5 for conventional farming compared with 4.4~10.0 for organic farming. For that reason, the density of the brown planthoppers was higher in organic farming than those in conventional farming. Dominated weeds occurred in organic and conventional paddy field were namely Monochoria vaginalis, Ludwigia prostrata, and Cyperus difformis. The population per 20 plant and dried weight per ㎡ of weeds were higher in 121 and 50.5 g for organic paddy field. The productivity of rice in different cultivated regions for organic farming was 2.96 Mg ha<sup>-1</sup> in hill paddy field, 4.03 Mg ha<sup>-1</sup> in normal rural and suburban paddy field. Toyo-taste value and ratio of perfect grain of milled rice were not different by cultivated regions in both farming system.

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UCI(KEPA) : I410-ECN-0101-2014-521-000824796