Biology student diluting fertilisers. She is following the instructions on the label and measuring out a portion of liquid fertiliser to add to a watering can. She will then add the fertilisers to the plants she is monitoring as part of an experiment to study plant growth. Fertilisers contain chemical elements that aid plant growth, such as nitrogen, phosphorus and potassium. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Chillmaid, Martyn F. |
Bildgröße: | 3412 px × 5100 px |
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Eigentums-Rechte: | nicht erforderlich |
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