TY - BOOK ED - Research Co-ordination Meeting on Recent Developments in the Use of Nitrogen-15 in Soil-Plant Studies TI - Nitrogen-15 in soil-plant studies: proceedings of a research co-ordination meeting on recent developments in the use of nitrogen-15 in soil-plant studies U1 - 631.842 RES 1971 PY - 1971/// CY - Vienna PB - IAEA KW - Nitrogen fertilizers KW - Congresses KW - Nitrogen KW - Isotopes KW - Plants KW - Effect of nitrogen on N1 - Kaynakça var ER -