Soil acidity testing. Gardener holding a soil sample against a pH chart. The chart indicates that the soil is acidic | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Kidd, Geoff |
Bildgröße: | 4830 px × 3635 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |