| the soil | 0.54 |
| fertilizer | 0.39 |
| become available | 0.56 |
| filter down through the… | 0.31 |
| remain in the soil | 0.29 |
| help produce strong and… | 0.25 |
| leach through the soil | 0.25 |
| accumulate in the clay … | 0.25 |
| grow strong | 0.25 |
| get into the water | 0.16 |
| algae blooms | 0.23 |
| required by plant | 0.66 |
| taken up by plant | 0.46 |
| replaced | 0.45 |
| released into the soil | 0.40 |
| removed | 0.38 |
| needed for growth | 0.36 |
| applied | 0.34 |
| lost | 0.30 |
| recycled | 0.28 |
| contained in the product | 0.25 |
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