Research Article
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
Agricultural Research Center, Field Crops Research Institute, Rice Research and Training Center, Department of Agronomy, 33717 Sakha, Kafr El-Sheikh, Egypt
H. Ueno
Faculty of Agriculture, Ehime University 498 Ko, Hattanji, Matsuyama, Ehime 799-2424, Japan
A. Ebid
Faculty of Agriculture, Ehime University 498 Ko, Hattanji, Matsuyama, Ehime 799-2424, Japan
N. Asagi
Faculty of Agriculture, Ehime University 498 Ko, Hattanji, Matsuyama, Ehime 799-2424, Japan
I. Abou El darag
Agricultural Research Center, Field Crops Research Institute, Rice Research and Training Center, Department of Agronomy, 33717 Sakha, Kafr El-Sheikh, Egypt