00875nam0-22002891i-450 99000168750040332120191008100332.0000168750FED01000168750(Aleph)000168750FED0100016875020030910d1970----km-y0itay50------baengy p 0 1yyRice fertilizationa six-year isotope study on nitrogen and phosphorus fertilizer utilizationInternational Atomic Energy AgencyViennaInternational Atomic Energy Agency1970180 p.25 cmRiso633.18International Atomic Energy Agency12873ITUNINARICAUNIMARCLG99000168750040332160 LG 2841883FAGBCFAGBCRice fertilization361295UNINA