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| 11. | A combination of crop rotation and fertilizer addition supports the highest maize yield levels. |
| 作物轮作与施肥相结合支持最高玉米产量水平。施肥并不完全抵消作物轮作效果。 |
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| 12. | multicourse rotation |
| 多区轮作 |
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| 13. | proper rotation of crops |
| 合理轮作 |
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| 14. | The soil fertility shows a decrease trend in cornpea rotation. |
| 玉米、豆轮作，土壤养分均呈下降趋势。 |
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| 15. | rotation for soil conservation |
| 保土轮作 |
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| 16. | A rotation of personnel;crop rotation. |
| 员工的轮流替换；农作物的轮作 |
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| 17. | gross-crop rotation |
| 草田轮作 |
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| 18. | Crop rotation is the best way to increase output. |
| 想提高产量, 最好的办法是倒茬轮作。 |
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| 19. | rotation of dryland and paddy crops |
| 旱地水田轮作 |
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| 20. | 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。 |
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