Experts say that while rotational grazing can save money over time , it also requires planning. And that starts with a good map to mark fences, water supplies and grazing areas.

• 专家称，虽然轮牧经济省钱，它也需要周密筹划。首先，开始时要有一张详尽的地图，要标明篱笆墙、水供给和放牧区域。