Infographic on soil pH (IMAGE) American Society of Agronomy Caption Nutrients can be locked by soil minerals if the soil pH is not correct. This affects whether the plant can use the nutrient or not. Credit ASA/CSSA/SSSA staff Usage Restrictions Please use with story only. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.