| 1. | Most of it has been retained in alternate husbandry .
其中大部分成为轮作草地。 |
| 2. | Farmers rotate their crops so that the soil will remain fertile .
为保持土壤肥力，农民搞作物轮作。 |
| 3. | It is impracticable to go for early bite from longer leys .
利用长期轮作草场进行早期放牧是不切实际的。 |
| 4. | The numbers of earthworms changed according to the phase of the rotation .
蚯蚓的数量因轮作状况而有改变。 |
| 5. | Farmers traditionally used long-term rotations of hay, pasture, and corn .
农民以往长期实行干草、牧草和玉米轮作。 |
| 6. | Pasture, both temporary and permanent, is a relatively cheap source of nutrients .
无论轮作草场，还是永久草场，都是比较廉价的营养资源。 |
| 7. | It must be said in favour of leys that they give much more flexibility in grass land management .
必须充分肯定轮作草场在管理方面有较大的灵活性。 |
| 8. | In a sense, output from leys in the form of milk and meat is a by-product of tillage farming .
在某种意义上，轮作草场所生产的奶和肉只是种植业的副产品。 |
| 9. | Here in lies the importance of a proper understanding of how to manage and exploit rotational grass .
正确理解如何经营管理以及开发轮作草场的重要性就在于此。 |
| 10. | Here in lies the importance of a proper understanding of how to manage and exploit rotational grass .
正确理解如何经营管理和如何开发轮作草场的重要性就在于此。 |
