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유기농 자재의 시용이 토양의 이화학적 특성과 배추의 생육 및 체내성분에 미치는 영향
정순재 ( Jeong Soon-jae ),정원복 ( Chung Won-bok ),김희태 ( Kim Hoe-tae ),강경희 ( Kang Kyung-hee ),이종성 ( Lee Jong-sung ),오주성 ( Oh Joo-sung ) 한국유기농업학회 2000 韓國有機農業學會誌 Vol.8 No.3
This experiment was focused on finding out the potential problems in organic farming system, which is recently emphasized on the produce of horticultural crops due to the serious environmental deterioration. Thus, in this study, the effect of the application of organic farming materials in soil on plant growth and components of Chinese cabbage and the soil physicochemistry property were compared with conventional culture. The results were summarized as follows ; 1. The effect of soil chemical properties after application of organic farming materials, The amounts of pH and O.M. in N, P, K treated plot were few of change, To the contray, fermentation compost and microorganisms fermentation compost treated plot were some increase, Amount of P<sub>2</sub>O<sub>5</sub>, Ca and increase in comparison with the N, P, K treated plot, Specially chicken manure+ microorganisms fermentation compost treated plot was the highest. 2. Change of soil microbial after application of organic farming materials, The number of bacteria and actinomycetes in N, P, K treated plot were appeared definite direction, to the fermentation compost and microorganisms fermentation compost treated plot showed the increased tendency, specially, chicken manure+ microorganisms fermentation compost treated plot was the highest. 3. The growth characteristic of Chinese cabbage after application of organic farming materials was superior in order of chemical fertilizers plot) microorganisms fermentation compost plot) fermentation compost plot. It shows the NO3 accumulation in Chinese cabbage was higher in the outer leaves than in the inner leavess. It was some lower in the microorganisms fermentation compost plot, it was the highest at chemical fertilizers plot, all inner and outer leaves.