Volatile losses of NH3 from surface-applied urea and urea ammonium nitrate with and without the urease inhibitors NBPT or ammonium thiosulphate

Canadian Journal of Soil Science

Volumn 76, Issue 3, 1996, Pages 417-419

  Grant, C A ^a   Jia, S ^b   Brown, K R ^a   Bailey, L D ^a  

^a BRANDON RESEARCH CENTRE   (Canada)

^b INSTITUTE OF CEREAL AND OIL CROPS   (China)

Author keywords

N (n butyl) thiophosphoric triamide; zero tillage

Indexed keywords

EID: 0030443159     PISSN: 00084271     EISSN: None     Source Type: Journal    
DOI: 10.4141/cjss96-050     Document Type: Conference Paper

References (12)

1. Bremner, J. M. and Chai, H. S. 1986. Evaluation of N-butyl phosphorothioic triamide for retardation of urea hydrolysis in soil. Commun. Soil Sci. Plant Anal. 17: 337-351.
2. Carmona, G., Christianson, C. B. and Byrnes, B. H. 1990. Temperature and low concentration effects of the urease inhibitor N-(n-butyl)thiophosphoric triamide (NBPT) on ammonia volatilization from urea. Soil Biol. Biochem. 22: 933-937.
3. Christianson, C. B., Byrnes, B. H. and Carmona, G. 1990. A comparison of the sulfur and oxygen analogs of phosphoric triamide urease inhibitors in reducing urea hydrolysis and ammonia volatilization. Fertil. Res. 26: 21-27.
4. Fairlie, T. E. and Goos, R. J. 1986. Urea hydrolysis and ammonia volatilization characteristics of liquid fertilizer mixtures. II. Studies under modified field conditions. J. Fert. Issues 3: 86-90.
5. Goos, R. J. and Fairlie, T. E. 1988. Effect of ammonium thiosulfate and liquid fertilizer droplet size on urea hydrolysis. Soil Sci. Soc. Am. J. 52: 522-524.
6. Nelson, D. W. 1982. Gaseous losses of nitrogen other than through denitrification. Pages 327-364 in F. J. Stevenson, ed. Nitrogen in agricultural soils. American Society of Agronomy, Madison, WI.
7. Nommik, H. 1973. The effect of pellet size on the ammonia loss from urea applied to forest soil. Plant Soil 39: 309-318.
8. SAS, Institute, Inc. 1985. SAS users's guide: Statistics. Version 5 ed. SAS Institute, Inc., Cary, NC. 956 pp.
9. Schlegel, A. J., Nelson, D. W. and Sommers, L. E. 1986. Field evaluation of urease inhibitors for corn production Agron. J. 78: 1007-1012.
10. Steel, R. G. D. and Torrie, J. H. 1980. Principles and procedures of statistics. A biometrical approach. 2nd ed. McGraw-Hill Book Company, New York, NY. 633 pp.
11. Sullivan, D. M. and Havlin, J. L. 1992. Soil and environmental effects on urease inhibition by ammonium thiosulfate. Soil Sci. Soc. Am. J. 56: 950-956.
12. +. Technicon Industrial Systems, Tarrytown, NY.