Exploring the causes of chlorosis (IMAGE) Carnegie Institution for Science Caption Artist’s conception illustrating how photosynthetic activity is controlled by a plant’s interdependent nutrient responses. Credit Artwork created by Sue Rhee using Wombo.art. Usage Restrictions With credit License Original 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.