Acqua’a’h, G. 2002. Principles of Crop Production: Theory: Techniques and Technology.
New Jersey: Pearson Prente Hall, Upper Saddle River. 460 p.
Ali, D.E., T. Khaliq and M. Sarwar. 1997. Influence of various sources of non-protein nitrogen
source on in vitro fermentation pattern of rumen microbes. J. Anim. Sci. 10:357- 364.
AOAC. 1984. Offcial Method of Analysis.14th Association of Analytical Chemists. Inc.
Viginia. 379p.
Bromner, J. H. and Keeney, D. R. 1965. Steam distillation methods of determination of
ammonium, nitrate and nitrite. Annual. Chem. Acta. 32:485
Acqua’a’h, G. 2002. Principles of Crop Production: Theory: Techniques and Technology.New Jersey: Pearson Prente Hall, Upper Saddle River. 460 p.Ali, D.E., T. Khaliq and M. Sarwar. 1997. Influence of various sources of non-protein nitrogensource on in vitro fermentation pattern of rumen microbes. J. Anim. Sci. 10:357- 364.AOAC. 1984. Offcial Method of Analysis.14th Association of Analytical Chemists. Inc.Viginia. 379p.Bromner, J. H. and Keeney, D. R. 1965. Steam distillation methods of determination ofammonium, nitrate and nitrite. Annual. Chem. Acta. 32:485
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