Roy measuring wheat spectral reflectance (IMAGE) The Hebrew University of Jerusalem Caption Roy measuring wheat spectral reflectance Credit Roy Sadeh, Ittai Herrmann, Prof. Zvi Peleg Usage Restrictions None 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.