| Answer | Crossword Clue |
|---|---|
| UREA | Component used as fertilizer |
| UREA | Component used in making plastics and fertilizer |
| NITER | Chemical used as fertilizer. |
| UREA | Compound used as fertilizer |
| SEAWARE | Marine alga used as fertilizer. |
| MARL | Crumbly clay mixture used as fertilizer |
| VRAICS | Seaweeds used as fertilizer in Channel Islands. |
| GUAVASEED | Tropical fruit component used as a natural laxative |
