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논문 기본 정보

자료유형
학술저널
저자정보
강창성 (경기도농업기술원) 노안성 (경기도농업기술원) 김성기 (경기도농업기술원) 박경열 (경기도농업기술원)
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한국토양비료학회 한국토양비료학회지 한국토양비료학회지 제44권 제3호
발행연도
2011.6
수록면
457 - 464 (8page)

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Livestock manure compost (LC) generally contains high content of phosphorus, therefore can be a substitute for phosphorus fertilizers. In this experiment of the cultivation of lettuce in green house, the possibility of LC as a subsitute for phosphorus fertilizer was investigated and the fertilizer efficiency of nitrogen and potassium in LC as compared with chemical N fertilizer (urea) and K fertilizer (potassium chloride) was examined. In proportion to the increase in the application rate of nitrogen fertilizer, soil pH declined, whereas EC and NO3-N content became higher. The application of LC appeared to increase the soil content of organic matter, available phosphate, exchangeable calcium, magnesium and sodium more than that of chemical fertilizer. Supplementation of the K fertilizer by the lack amount from the application of LC resulted in the same exchangeable potassium content in soil with NPK plot in which N, P and K fertilizers were applied by the amount of soil test recommendation. The relationship between soil NO<sub>3-</sub>N content and nitrogen application rate from fertilizer and compost showed as y=0.57717a+0.19760b+74.65 (R2=0.6347) in which y is the soil NO<sub>3-</sub>N content (mg kg<sup>-1</sup>), a is nitrogen application rate from fertilizer and b is nitrogen application rate from compost (kg ha<sup>-1</sup>), respectively. From this equation, the supply ability of NO<sub>3-</sub>N into soil of LC exhibited about 34% (pig manure compost 37.0, chicken manure compost 34.7, cattle manure compost 23.3) of nitrogen fertilizer (urea).

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UCI(KEPA) : I410-ECN-0101-2014-521-000824867