| 1 | Plants need nutrients in the soil to grow. | |
| 2 | To increase production, we need to improve the quality of the soil. | |
| 3 | We need to rotate the crops in order to maintain healthy soil. | |
| 4 | This plant needs fertile soil to grow vigorously. | |
| 5 | We need a more efficient method to remediate polluted soil. |
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