Microsoft Word - 1代俊芳.doc 关键词： 硝态氮；连续培养；瘤胃发酵；微生物合成效率 [gap=1586]Key words: nitrate N; dual-flow continuous culture; rumen fermentation; MOEEF
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Nitrate-N 硝态氮
Lutetium Nitrate n-Hydrate 水合硝酸铥
nitrate-N flux 硝态氮淋失量
soil nitrate N 土壤硝态氮
soil nitrate-N 土壤硝态氮
nitrate n content 硝态n含量
Nitrate N residue 硝态氮残留
residual nitrate n 硝态氮残留
nitrate-n pollution 硝态氮污染
The increase amount of residual nitrate N from third harvesting to fifth harvesting was 51.6% of the total amount of applied nitrogen during this period.
从第三季作物收获到第五季作物收获，残留硝态氮的增加量占这一时期氮肥施用量的比例高达51.6%。
The vertical transport of nitrate-N was also affected by the soil bulk density and the organic matter content.
土壤容重和有机质含量对硝态氮的垂直运移有很大的影响；
Application of N fertilizer significantly increased the amount of residual nitrate-N, and affected its distribution in the soil profile.
施用氮肥可明显增加土壤硝态氮残留数量，并影响其剖面分布；
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