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돈분뇨 고액분리액 시용에 따른 혼파초지의 생산성과 토양화학적 특성의 변화
김원호,신재순,이혁호,류종원,최기준,임용우,김기용,이기종 한국축산학회 1999 한국축산학회지 Vol.41 No.4
This experiment was carried out to determine the effect of the swine liquid manure separated its slurry on the dry matter yield, botanical composition and soil characteristics at pasture. The results obtained at National Livestock Research Institute(RDA), in Suwon from 1994 to 1997 are summarized as follows; The dry matter yields of swine slurry nitrogen 100%(T3), 75%(T4) and 50%(T5) were showed 94%, 91% and 75% of chemical fertilizer(T2)'s yield, respectively. and it was not significant difference between the yield of chemical fertilizer(T2) and swine liquid manure(50%)+chemical fertilizer(50%). According to application of swine liquid manure, the weed ratios of its plots were lowed by increasing its coverage and grasses. We conclude that the application of swine liquid manure(50%)+chemical fertilizer(50%) can be applied on grassland without adverse effect on dry matter production, quality of herbage, soil chemical properties.