The available phosphorous, available potassium and soil organism content were not conspicuously influenced by the grazingtime.
速磷、速钾、土壤有机质的含量受放牧时间的影响不明显。
2
It is concluded that range ecosystems may sustain their productivity and composition when grazingtime 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。
3
Dairy farmer Alain Duchemain told French TV his cows are having a hard time finding enough grass for grazing.