共 21 条
[1]
Asman W.A.H., Runge E.H., Atmospheric deposition of nitrogen compounds in Denmark, Proceedings from International Conference on Nitrogen, Phosphorous and Organic Matter. DK-Helsingør, May 13–15 1991, pp. 287-312, (1991)
[2]
Buijsman E., Maas H.F.M., Asman W.A.H., Anthropogenic NH<sub>3</sub> emissions in Europe, Atmos Environ, 21, pp. 1009-1022, (1987)
[3]
Black A.S., Sherlock R.R., Cameron K.C., Smith N.P., Goh K.M., Comparison of three field methods for measuring ammonia volatilization from urea granules broadcast on to pasture, Journal of Soil Science, 36, pp. 271-280, (1985)
[4]
Christensen B.T., Sommer S.G., Fordampning af ammoniak fra udbragt gødning. Metode og ammoniaktab fra urea og urea-ammonium-nitrat. Volatilization of ammonia from fertilizers and manure. Methodology and loss of ammonia from urea and urea-ammonium-nitrate. (Summary and legends in English), Tidsskr Planteavl, 93, pp. 177-190, (1989)
[5]
Crooke W.M., Simpson W.E., Determination of ammonium in Kjeldahl digests of crops by an automated procedure, Journal of the Science of Food and Agriculture, 22, pp. 9-10, (1971)
[6]
Fenn L.B., Kissel D.E., Ammonia volatilization from surface applications of ammonium compounds on calcareous soils. I. General Therory, Soil Science Society of America Journal, 37, pp. 855-859, (1973)
[7]
Fenn L.B., Hossner L.R., Ammonia volatilization from ammonium or ammonium-forming nitrogen fertilizers, Adv Soil Sci, 1, pp. 123-167, (1985)
[8]
Ferguson R.B., McInnes K.J., Kissel D.E., Kanemasu E.T., A comparison of methods of estimating ammonia volatilization in the field, Fert Res, 15, pp. 55-69, (1988)
[9]
Hunt R., Plant growth curves. The functional approach to plant growth analysis, (1982)
[10]
Larsen S., Gunary D., Ammonia loss from ammoniacal fertilizers applied to calcareous soils, Journal of the Science of Food and Agriculture, 13, pp. 566-572, (1962)