两期相比,哺乳期进入十二指肠的食糜总量,以及总氮(TN),非氨氮(NAN),微生物氮(MCP-N)和非微生物氮(NMCP-N)的绝对量都高于妊娠后期,而瘤胃内 MCP 的合成效率及酸性洗涤纤维(ADF)消化率则以妊娠后期较高.
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微生物量氮 MBN ; Microbial biomass nitrogen ; Soil microbial biomass nitrogen ; Biomass nitrogen
土壤微生物氮 Soil microbial nitrogen
微生物生物量氮 MBN
微需氮微生物 oligonitrophiles
土壤微生物量氮 soil microbial biomass
土壤微生物生物量氮 Soil Microbial Biomass ; Soil microbial biomass nitrogen
生物微生物量氮 Soil microbial biomass nitrogen
微生物脱氮 microbial denitrogenation
固氮微生物 [微] nitrogen-fixing microorganism
土壤中微生物氮也参与了对作物的供氮过程。
Soil microbial biomass N also involved in nitrogen supply to crop.
这些微生物可以让土壤中植物生长所需的氮含量增加，在冬天让植物仍保持活跃。
These microbes enable the soil to have more nitrogen, which plants need to live and they remain quite active during the winter.
氧气充足的条件下，微生物生成一氧化二氮的速率很低。
Under well-oxygenated conditions, microbes produce N2O at low rates.
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