Pedosphere 1(4): 377--382, 1991
ISSN 1002-0160/CN 32-1315/P
©1991 Soil Science Society of China
Published by Elsevier B.V. and Science Press
| Natural Abundance of 15N in Main N-Containing Chemical Fertilizers of China |
| CAO YA-CHENG, SUN GUO-QING, XING GUANG-XI, XU HUA |
| Laboratory of Material Cycling in Pedosphere, A cademia Sinica, Nanjing 210008 |
| ABSTRACT |
| As early as the 1950s, there had already been reports on the δ 15N value of some chemical fertilizers (Hoering, 1955). Since Kohl and his co-workers (1971) published the report that attempt was made to distinguish the respective contribution of soil nitrogen and fertilizer nitrogen to the source of nitrates in surface water according to the different. |
| Key Words: |
| Citation: Cao, Y. C., Sun, G. Q., Xing, G. X. and Xu, H. 1991. Natural Abundance of 15N in Main N-Containing Chemical Fertilizers of China. Pedosphere. 1(4): 377-382. |
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