Basic Study on the Development of Analytical Instrument for Liquid Pig Manure Component Using Near Infra-Red Spectroscopy
2007
Choi, D.Y. (National Institute of Animal Science, RDA, Suwon, Republic of Korea), E-mail: cdy5760@rda.go.kr | Kwag, J.H. (National Institute of Animal Science, RDA, Suwon, Republic of Korea) | Park, C.H. (National Institute of Animal Science, RDA, Suwon, Republic of Korea) | Jeong, K.H. (National Institute of Animal Science, RDA, Suwon, Republic of Korea) | Kim, J.H. (National Institute of Animal Science, RDA, Suwon, Republic of Korea) | Song, J.I. (National Institute of Animal Science, RDA, Suwon, Republic of Korea) | Yoo, Y.H. (National Institute of Animal Science, RDA, Suwon, Republic of Korea) | Chung, M.S. (National Institute of Animal Science, RDA, Suwon, Republic of Korea) | Yang, C.B. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea)
This study was conducted to measure Nitrogen(N), Phosphate(P₂O∧5), Potassium (K₂O), Organic matter(OM) and Moisture content of liquid pig manure by Near Infrared Spectroscopy(NIRS) and to develop an alternative and analytical instrument which are used for measurement of N, P₂O∧5, K₂O, OM, and Moisture contents for liquid pig manure. The liquid pig manure sample's transmittance spectra were measured with a NIRS in the wavelength range of 400 to 2,500 nm. Multiple linear regression and partial least square regression were used for calibrations.
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