但当芦粟还没长大，或在老植株上长出新株的时候，芦粟作为放牧作物，对牛羊来说是危险的。
But as a grazing crop, sorgo is dangerous for cattle and sheep when the plants are young or when new growth has taken place on older plants.
自然资源得到了保护：肆意放牧、生计农业、薪材采集以及坡地作物种植致使黄土高原大片地区遭到毁坏。
Natural resources were protected: Uncontrolled grazing, subsistence farming, fuel wood gathering and cultivation of crops on slopes had left huge areas of the Plateau devastated.
如果放牧更加密集了，农作物可以扩展到空的牧场上种植。
If ranching were made more intensive, crops could expand into empty pasture.
一般在播种草种时，同时播种放牧保护作物是有好处的。
It is generally advantageous to sow pasture seeds with a companion grazing nurse crop.
这土壤被证明太贫瘠，不能真正用作放牧或种植作物。
The soil proved too infertile to sustain real pasture or arable crops.
农业土地是用于作物栽培或家畜放牧的土地。
Agricultural lands are those used for crop cultivation or grazing by domestic animals.
贫瘠，不能真正用作放牧或种植作物。
The soil proved too infertile to sustain real pasture or arable crops.
放牧绵羊的草场常常是一些地势陡峭或土壤过于干燥不能耕种其他作物的场地。
Sheep are often reared on grasslands that cannot be used for other types of farming because they are too steep or too dry.
放牧绵羊的草场常常是一些地势陡峭或土壤过于干燥不能耕种其他作物的场地。
Sheep are often reared on grasslands that cannot be used for other types of farming because they are too steep or too dry.
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