| Answer | Crossword Clue |
|---|---|
| MARLS | Valuable fertilizers. |
| MARLS | Fertilizers. |
| NITRATES | Fertilizers. |
| PEATS | Fertilizers |
| NITRATES | Fertilizers |
| GUANOS | Fertilizers |
| NITRATES | Certain fertilizers |
| NITRATES | Some fertilizers |
| GUANOS | Natural fertilizers |
| ENRICHMENT | Fertilizer's purpose |
| COMPOSTS | Organic farmers' fertilizers |
| NITRIC | Acid used in fertilizers |
| NITER | Compound used in fertilizers |
| UREA | Compound used in fertilizers |
| NITER | Compound found in fertilizers |
| NITRIC | Acid used in fertilizers and explosives |
| NITRIC | Kind of acid used in fertilizers |
