The available phosphorous, available potassium and soil organism content were not conspicuously influenced by the grazing time.
速磷、速钾、土壤有机质的含量受放牧时间的影响不明显。
It is concluded that range ecosystems may sustain their productivity and composition when grazing time and stocking rate resemble the grazing pattern representing the ecosystem progressing.
当家畜的放牧时间和载畜率类似于草原生态系统进展下的模式时，草地可保持它的生产力和植被组成。
It is concluded that range ecosystems may sustain their productivity and composition when grazing time and stocking rate resemble the grazing pattern representing the ecosystem progressing.
当家畜的放牧时间和载畜率类似于草原生态系统进展下的模式时，草地可保持它的生产力和植被组成。
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