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.
结果表明：所有不同放牧小区的四种牧草牧前高度远远低于对照小区，而且留茬高度差异不大。
The results showed that : all the pastures in different grazing communities were more lower than control, and the difference of the stubble heights was small.
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