Study on change of carbon and nitrogen pool of farm black soil is rather important to protect and rationally exploit black soil under long-term fertilizer.
研究长期施肥条件下农田黑土有机碳库与氮库的变化动态,对我国黑土区的生态保护和合理开发利用具有重要意义。
参考来源 - 长期施肥条件下黑土有机碳库和氮库变化研究·2,447,543篇论文数据，部分数据来源于NoteExpress
N—尿素叶面示踪证明，尿素氮能迅速有效地传入氮库。
The leaf surface tracer with 15N-urea showed that the urea nitrogen could be transfered into N-storage efficiently and rapidly.
采用好气土壤培养试验，研究了尿素配施有机物料和DCD条件下土壤不同氮库的动态。
Dynamics of different soil nitrogen pools after application of urea with DCD or organic materials were studied by aerial incubation method.
氮的主要蓄存库是大气层。
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