| 1 | As they degrade, the phosphates migrate into the soil. | |
| 2 | The role of these glands is to regulate calcium and phosphate in our bloodstream. | |
| 3 | Nor can we take fertiliser supply for granted any longer since "peak phosphates" threatens. | |
| 4 | In Tennessee's Chattanooga shale, for example, there is more uranium in phosphate rock. | |
| 5 | Believe it or not, nettles are fussy about where they grow - in fact, they need a soil rich in phosphates and nitrogen to really thrive. |
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