caa a22 4500 463208943 CHVBK 20180405153134.0 cr unu---uuuuu 170326e20070501xx s 000 0 eng 10.1007/s10705-006-9072-4 doi (NATIONALLICENCE)springer-10.1007/s10705-006-9072-4 Methane and carbon dioxide emissions and nitrogen turnover during liquid manure storage [Elektronische Daten] [Sven Sommer, Søren Petersen, Peter Sørensen, Hanne Poulsen, Henrik Møller] Animal slurry stored in-house and outside is a significant source of atmospheric methane (CH4). The CH4 source strength of stored slurry is greatly affected by temperature. To improve emission calculations on a global scale there is a need for knowledge about the relationship between production of CH4 in slurry and temperature. In this study, the filling of slurry channels was reproduced in the laboratory by gradually filling 1m-high PVC vessels during 9days followed by incubation for 100-200days. A preliminary test showed that little CH4 was produced from animal slurry during 10days of incubation at 20°C, if no inoculum (slurry incubated anaerobically at the test temperature for 1.5-2months) was present. However, the addition of 7.6% inoculum supported an immediate production of CH4. Vessels amended with inoculum and gradually filled with cattle or pig slurry were then incubated at 10, 15 and 20°C. Methane production from stored pig and cattle slurry was not significant at temperatures below 15°C, where CO2 was the main product of decomposition processes. In contrast, the anaerobic production of CH4 was high and significant relative to the production of CO2 at 20°C. Peak emissions of CH4 averaging 0.012 and 0.02gCh−1kg−1 volatile solids (VS) were reached within about 10days at 10 and 15°C, respectively. At 20°C, the emission of CH4 from pig slurry was about 0.01gCh−1kg−1 for 10days, and thereafter emissions increased to about 0.10gCh−1kg−1 VS. For cattle slurry a peak emission of 0.08gCh−1kg−1 VS was measured after 180days. Degradation of organic nitrogen (N) in cattle slurry was related to the reduction of organic material as reflected in CO2 and CH4 emission. The mineralization of organic N during storage represented 10-80% of organic N in cattle slurry, and 40-80% of the organic N in pig slurry. Springer Science+Business Media B.V., 2006 Methane nationallicence Carbon dioxide nationallicence Nitrogen mineralization nationallicence Animal slurry nationallicence Temperature nationallicence Sommer Sven Department of Agricultural Engineering, Danish Institute of Agricultural Sciences, Research Centre Bygholm, P.O. Box 536, 8700, Horsens, Denmark aut Petersen Søren Department of Agroecology, Danish Institute of Agricultural Sciences, Post Box 50, 8830, Tjele, Denmark aut Sørensen Peter Department of Agroecology, Danish Institute of Agricultural Sciences, Post Box 50, 8830, Tjele, Denmark aut Poulsen Hanne Department of Animal Health, Welfare and Nutrition, Danish Institute of Agricultural Sciences, Post Box 50, 8830, Tjele, Denmark aut Møller Henrik Department of Agricultural Engineering, Danish Institute of Agricultural Sciences, Research Centre Bygholm, P.O. Box 536, 8700, Horsens, Denmark aut Nutrient Cycling in Agroecosystems Kluwer Academic Publishers 78/1(2007-05-01), 27-36 1385-1314 78:1<27 2007 78 10705 https://doi.org/10.1007/s10705-006-9072-4 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10705-006-9072-4 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Sommer Sven Department of Agricultural Engineering, Danish Institute of Agricultural Sciences, Research Centre Bygholm, P.O. Box 536, 8700, Horsens, Denmark aut NATIONALLICENCE 700 1- Petersen Søren Department of Agroecology, Danish Institute of Agricultural Sciences, Post Box 50, 8830, Tjele, Denmark aut NATIONALLICENCE 700 1- Sørensen Peter Department of Agroecology, Danish Institute of Agricultural Sciences, Post Box 50, 8830, Tjele, Denmark aut NATIONALLICENCE 700 1- Poulsen Hanne Department of Animal Health, Welfare and Nutrition, Danish Institute of Agricultural Sciences, Post Box 50, 8830, Tjele, Denmark aut NATIONALLICENCE 700 1- Møller Henrik Department of Agricultural Engineering, Danish Institute of Agricultural Sciences, Research Centre Bygholm, P.O. Box 536, 8700, Horsens, Denmark aut NATIONALLICENCE 773 0- Nutrient Cycling in Agroecosystems Kluwer Academic Publishers 78/1(2007-05-01), 27-36 1385-1314 78:1<27 2007 78 10705 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer