Organic fertiliser. Gardener enclosing comfrey stems (Symphytum officinale) in porous material. The package will be placed in a container filled with water. The plants are left in water till they decompose. The resulting liquid is rich in potassium (K) and is used as a fertiliser | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Adcock, Maxine |
Bildgröße: | 3405 px × 5185 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |