无氮浸出物含量
No nitrogen extract content
以上为机器翻译结果，长、整句建议使用 人工翻译 。
在草地植物养分的分析中，磷的含量在早期放牧小区内表现较高，粗灰分和无氮浸出物表现较低。
The results of plant nutrients analysis showed that phosphorous was higher in the district of grazing in early time, crude ash and nitrogen-free extract were lower.
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