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Natural Abundance ofN in Main N-Containing Chemical Fertilizers of China
被引：0
作者：
CAO YACHENG SUN GUOQING XING GUANGXI and XU HUALaboratory of Material Cycling in Pedosphere A cademia Sinica Nanjing China
[210008
]
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来源：
关键词：
ammonium-nitrogen;
fertilizer;
15N natural abundance;
nitrate-nitrogen;
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摘要：
<正> 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 differ-
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页码：377 / 382
页数：6
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