Illustration showing the effect of calcium ions on soil particles. The positively charged ionic calcium interacts with the negatively charged soil particles to cause them to aggregate. | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / ALI DAMOUH |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |