Wheat Field in Nebraska (image) NASA/Goddard Space Flight Center Caption Rice and wheat crop failures can be forecast using climate and crop models in some cases, according to a new study. Above is a wheat field in Nebraska. Credit USDA Usage Restrictions None 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.