Nitrogen free extract

The relative humility , crude protein and nitrogen free extract were the main restrictive factors to affect the digestibility by using grey system analysis method .

同时应用灰色关联度分析方法对放牧绵羊食入牧草消化率限制因素综合分析认为：湿度、CP、NFE是影响消化率的主要因素。

The crude protein content and nitrogen free extract content of the regrowth of treatment ⅱ were higher , while the crude ashes content and acid detergent fiber content were reverse .

留茬30cm再生草的粗蛋白和无氮浸出物含量较高，粗灰分和酸性洗涤纤维含量较低。

And the effects of different types intercropping and relay cropping system on qualities , such as the yield and content of protein , crude fiber , crude fat , crude ash and nitrogen free extract of organs and grain , were quite different .

不同间套作类型对秸秆和籽粒粗蛋白、粗纤维、粗脂肪、粗灰分及无氮浸出物等营养物质含量和产量的影响。