rotation of grazing轮牧
rotation deferred grazing轮流延迟放牧
deferred-rotation grazing推迟轮牧
Complementary Rotation Grazing轮牧方法
short time rotation grazing短期轮牧
rotation-deferred grazing轮流延迟放牧
rotation grazing field轮牧小区
rotation grazing system轮牧制度
rotation grazing cycle轮牧周期