References
- Arah, J. R. M., and B. C. Ball. 1994. A functional model of soil porosity used to interpret measurements of gas diffusion. European Journal of Soil Science 45:135–44. doi:10.1111/j.1365-2389.1994.tb00494.x.
- Behera, S. N., M. Sharma, V. P. Aneja, and R. Balasubramanian. 2013. Ammonia in the atmosphere: A review on emission sources, atmospheric chemistry and deposition on terrestrial bodies. Environmental Science and Pollution Research 20:8092–131. doi:10.1007/s11356-013-2051-9.
- Box, G. E., and K. B. Wilson. 1951. On the experimental attainment of optimum conditions. Journal of the Royal Statistical Society: Series B (Methodological) 13:1–38.
- Cameron, K. C., H. J. Di, and J. L. Moir. 2013. Nitrogen losses from the soil/plant system: A review. Annals of Applied Biology 162:145–73. doi:10.1111/aab.12014.
- Engel, R., C. Jones, and R. Wallander. 2011. Ammonia volatilization from urea and mitigation by NBPT following surface application to cold soils. Soil Science Society of America Journal 75:2348–57. doi:10.2136/sssaj2011.0229.
- Grant, C. A., K. R. Brown, L. D. Bailey, and S. Jia. 1996. 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 76:417–19. doi:10.4141/cjss96-050.
- Khari, A. I., and J. A. Cornell. 1987. Response surfaces: designs and analysis. New York: Marcel Dekker.
- Ma, B. L., T. Y. Wu, N. Tremblay, W. Deen, N. B. McLaughlin, M. J. Morrison, and G. Stewart. 2010. On-farm assessment of the amount and timing of nitrogen fertilizer on ammonia volatilization. Agronomy Journal 102:134–44. doi:10.2134/agronj2009.0021.
- Moldrup, P., T. Olesen, S. Yoshikawa, T. Komatsu, and D. E. Rolston. 2004. Three-porosity model for predicting the gas diffusion coefficient in undisturbed soil. Soil Science Society of America Journal 68:750–59. doi:10.2136/sssaj2004.7500.
- Myers, R. H., and D. C. Montgomery. 1995. Response surface methodology: Process and product optimization using designed experiments. New York: John Willey & Sons.
- Nelson, D. W. 1983. Determination of ammonia in KCl extracts of soils by salicylate method. Communications in Soil Science and Plant Analysis 14:1051–62. doi:10.1080/00103628309367431.
- Smith, E., R. Gordon, C. Bourque, and A. Campbell. 2007. Comparison of three simple field methods for ammonia volatilization from manure. Canadian Journal of Soil Science 87:469–77. doi:10.4141/CJSS06038.
- Song, Y. S., and X. H. Fan. 2003. Summary of research on ammonia volatilization in paddy soil. Ecology and Environment 12:240–44.
- Wang, Z. H., X. J. Liu, X. T. Ju, F. S. Zhang, and S. S. Malhi. 2004. Ammonia volatilization loss from surface-broadcast urea: Comparison of vented-and closed-chamber methods and loss in winter wheat–summer maize rotation in North China Plain. Communications in Soil Science and Plant Analysis 35:2917–39. doi:10.1081/CSS-200036499.
- Yang, J., Y. Jiao, W. Z. Yang, P. Gu, S. G. Bai, and L. J. Liu. 2018. Review of methods for determination of ammonia volatilization in farmland. IOP Conference Series: Earth and Environmental Science 113 (1):012–022. Bristol: IOP Publishing.