| 1. | The soil is hard and reluctant to the plough ..
地硬难耕。 |
| 2. | The field ploughs well after the rain .
雨后土地易耕。 |
| 3. | This gives the grower a better chance to disk it under .
这给种植者以很好的机会将之耕翻。 |
| 4. | They will finish ploughing the fields in less than three days .
用不了三天，他们就可以把地全部耕完。 |
| 5. | Cultivation of steep hillsides may be impractical because of the danger of erosion .
在陡坡山地为防止土壤冲刷，果园不耕翻。 |
| 6. | Herbicides provide a cheaper and more effective means of controlling weeds than cultivation .
除草剂比清耕消除杂草成本低，效率高。 |
| 7. | Sometimes some surface improvement must be undertaken before it is advisable to plough .
有时候必须在适于犁耕以前进行一些表层的改良。 |
| 8. | Permanent grass has a number of advantages over clean cultivation, the system it superseded .
多年生牧草较之已被其取代的清耕有许多优越性。 |
| 9. | In a solid which is moderately low in available zinc, deep cuts may expose zinc-deficient subsoils .
土壤中含有效锌转低时，深层耕翻会使缺锌的底土暴露出来。 |
