A. Citraresmini Center for Isotope and Radiation Technology, National Nuclear Energy Agency, Jl. Lebak Bulus Raya 49, Jakarta 12440, Indonesia Indonesia
Fertilizer and Plant Nutrition, Centre for Isotope and Radiation Application
E.T. Sofyan Agriculture Faculty, Padjadjaran University, Jl. Raya Bandung-Sumedang KM 21, Jatinangor, Kab. Sumedang 45363, Indonesia Indonesia