Figure 1 (IMAGE) Hong Kong University of Science and Technology Caption This groundbreaking study not only reveals that global NH3 emissions from cropland are lower than previously estimated, but also demonstrates optimizing fertilizer management can effectively reduce emissions by approximately 38%. Credit HKUST 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.