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Fertilization Efficiency of Livestock Faeces Composts as Compared to Chemical Fertilizers for Paddy Rice Cultivation
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  • Fertilization Efficiency of Livestock Faeces Composts as Compared to Chemical Fertilizers for Paddy Rice Cultivation
  • Fertilization Efficiency of Livestock Faeces Composts as Compared to Chemical Fertilizers for Paddy Rice Cultivation
저자명
Kang. C.S.,Roh. A.S.,Kim. S.K.
간행물명
韓國有機農業學會誌
권/호정보
2011년|19권 |pp.182-185 (4 pages)
발행정보
한국유기농업학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Soil $NH_4$-N content became higher in proportion to the increase in the urea application rate, while in livestock faeces compost (LFC) plots, it became lower than in urea plots and had no significant difference statistically among LFC plots. There was a close relationship between phosphate fertilization rate and the increment of soil available phosphate content after experiment resulting y=0.1788x-6.169 ($R^2=0.9425$) when applied fused superphosphate fertilizer, and y=0.0662x-2.689 ($R^2=0.9315$) when applied LFCs by the same amounts of phosphate (x: phosphate application, kg $ha^{-1}$, y: increment in soil available phosphate content, mg $kg^{-1}$. Plant height, number of stems, nutrients uptake by rice and rice yield showed higher levels in N 100, 150% application plots of chemical fertilizers, while every LFC plots exhibited lower values and no significant difference among them. Relative nitrogen fertilization efficiencies of LFCs compared to urea was 12.3% for cattle faeces compost (CaFC), 8.8 for swine faeces compost (SwFC) and 24.6 for chicken faeces compost (ChFC), respectively.