References
- Bremner, J. M. and Blackmer, A. M. 1980. Natural and fertilizer-induced emissions of nitrous oxide from soils. Paper No. 80-69.6, 73rd Annual Meeting of the Air Poll. Control Assoc., Montreal.
- Delany, A. C., Dickerson, R. R., Melchior, Jr., F. L. and Wartburg, A. F. 1982. Modification of a commercial NOx detector for high sensitivity. Rev. Sci. Instrum. 53, 1899–1902.
- Denmead, O. T. 1979. Chamber systems for measuring nitrous oxide emission from soils in the field. Soil Sci. Soc. Am. J. 43, 89–95.
- Denmead, O. T., Freney, J. R. and Simpson, J. R. 1979. Studies of nitrous oxide emissions from a grass sward. Soil Sci. Soc. Am. J. 43, 726–728.
- Ferm, M. 1979. Method for determination of atmospheric ammonia. Atmos. Environ. 13, 1385–1393.
- Firestone, M. K., Firestone, R. B. and Tiedje, J. M. 1979. Nitric oxide as an intermediate in denitrification: evidence from nitrogen-13 isotope exchange. Biochem. Biophys. Res. Commun. 91, 10–16.
- Galbally, I. E. and Roy, C. R. 1978. Loss of fixed nitrogen from soils by nitric oxide exhalation. Nature 275, 734–735.
- Galbally, I. E. and Roy, C. R. 1981. Ozone and nitrogen oxides in the southern hemisphere troposphere. In: Proceedings of the Quadrennial International Ozone Symposium, Boulder, Colorado, August 1980, 431–438.
- Kim, C. M. 1973. Influence of vegetation types on the intensity of ammonia and nitrogen dioxide liberation from soil. Soil. Biol. Biochem. 5, 163–166.
- Kimball, B. A. and Lemon, E. R. 1971. Air turbulence effects upon soil gas exchange. Soil. Sci. Soc. Amer. Proc. 35, 16–21.
- Lipschultz, F., Zafiriou, O. C., Wofsy, S. C., McElroy, M. B., Valois, F. W. and Watson, S. W. 1981. Production of NO and N2O by soil nitrifying bacteria. Nature 294, 641–643.
- McKenney, D. J., Shuttleworth, K. F. and Findlay, W. I. 1980. Temperature dependence of nitrous oxide production from Brookston clay. Can. J. Soil Sci. 60, 665–674.
- McKenney, D. J., Shuttleworth, K. F., Vriesacker, J. R. and Findlay, W. I. 1982. Production and loss of nitric oxide from denitrification in anaerobic Brookston clay. Appl. Environ. Microbiol. 43, 534–541.
- Rosswall, T. 1982. Ecology of arable land. The role of organisms in nitrogen cycling. Progress Report 1981. Swedish University of Agricultural Sciences, Uppsala.
- Seiler, W. and Conrad, R. 1981. Field measurements of natural and fertilizer-induced N2 release rates from soils. J. Air Pollut. Control Assoc. 31, 767–772.
- Steen, E., Jansson, P-E. and Persson, J. 1984. Experimental site of the “Ecology of Arable Land” project. Ada A gric. Scand., 34, in press.
- Winer, A. M., Peters, J. W., Smith, J. P. and Pitts, Jr., J. N. 1974. Response of commercial chemiluminescent NO-NO2 analysers to other nitrogen-containing compounds. Environ. Sci. Technol. 8, 1118–1121.