| Answer | Crossword Clue |
|---|---|
| GUANO | Organic fertilizer |
| PEAT | Organic fertilizer |
| HUMUS | Organic fertilizer |
| BONEMEAL | Organic fertilizer |
| NITRATE | Organic fertilizer component |
| MANURE | Organic fertilizer component |
| COMPOST | Organic farmer's fertilizer |
| composts | Decayed organic material used as a plant fertilizer |
| compost | Decayed organic material used as a plant fertilizer |
| biosolid | nutrient-rich organic materials obtained from wastewater treatment and used beneficially, as for fertilizer |
