Sampling Farm Liming (IMAGE) American Society of Agronomy Caption A team of University of Illinois at Urbana-Champaign and CIAT (International Center for Tropical Agriculture) researchers led by Andrew Margenot assessed the effect of liming on soil fertility and crop productivity in Siava County, western Kenya. Credit Andrew Margenot 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.