Fourier transform infrared and fluorescence spectral features of organic matter in conventional and organic dairy manure

Journal of Environmental Quality
Zhongqi He, Tsutomu Ohno

Abstract

Organic dairy production has exhibited potential for growth in the United States dairy sector. However, little information is available on whether there is any difference in manure composition and quality between organic (OD) and conventional (CD) dairy manure even though the composition and quality are important parameters with respect to availability, utilization, and cycling of manure nutrients and environmental impact evaluation. We comparatively characterized whole and water-extracted materials of 15 OD and seven CD dairy manure samples by Fourier transform infrared (FT-IR) and fluorescence spectroscopies. Fourier transform infrared features of manure organic matter varied mainly in the 1650 to 1550 cm range, reflecting the presence of different N compounds in these manure samples. Fluorescence data revealed five fluorophore components present in the water-extracted organic matter from the manures. We found no clearly distinct value ranges in whole and water-extractable organic matter between the two types of dairy manure with respect to C and N contents and FT-IR and fluorescence spectral features. However, based on the average values, we observed general pattern differences on the effect of organic farming on the manure ...Continue Reading

References

Nov 18, 2005·Bioresource Technology·G F HuangB B Nagar
Dec 13, 2006·Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes·Morris I SchnitzerPeter B Fransham
Jun 3, 2011·Environmental Science & Technology·Katherine M H Beggs, R Scott Summers

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Citations

Dec 30, 2015·Environmental Science and Pollution Research International·Liuchun ZhengZhanqiang Fang
Jul 28, 2020·Environmental Science and Pollution Research International·Alla NasonovaMikhail Borisover

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