Brazilian cattle-ranching, which occupies 209m hectares, is staggeringly unproductive, with an average stockingrate of less than a head of cattle per hectare.
巴西养牛业占据了2.09亿公顷的土地，却相当低效，平均每公顷上放养还不到一头。
2
It is concluded that range ecosystems may sustain their productivity and composition when grazing time and stockingrate 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
The selectivity index for height layer varies with seasons and stockingrate.