Results show that grazing sheep can hold nutritive value of their diets on a higher and stable level in all types of rangeland and every stage of growing season.
结果表明，放牧绵羊在不同类型草地及不同生长期采食牧草的营养价值维持在一个较高的，而且是稳定的水平上。
"The change in the growing season may mean there is less grassland biomass available for grazing," says Xu.
“生长期的变化预示着这里用于放牧的草地植被的生物量将减少，”徐教授说道。
"The change in the growing season may mean there is less grassland biomass available for grazing," says Xu.
“生长期的变化预示着这里用于放牧的草地植被的生物量将减少，”徐教授说道。
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