Analysis of Nitrogen Dynamics and Fertilizer Use Efficiency in Rice Using the Nitrogen-15 Isotope Dilution Method Following the Application of Biogas Slurry or Chemical Fertilizer

Adel Ghoneim, H. Ueno, A. Ebid, N. Asagi and I. Abou El darag

International Journal of Soil Science 3 ( 1 ): 11 - 19 , 2008