Pore Illustration (IMAGE) American Society of Agronomy Caption Pore size is enlarged for illustration purposes. Soil pore B is twice the size of soil pore A. Water will flow through soil pore B at a volume 16 times greater than that of soil pore A. Credit Illustration Credit: S. Fisk, P. Scullion. 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.