Manure Applications Elevate Nitrogen Accumulation and Loss (image) American Society for Horticultural Science Share Print E-Mail Caption Researchers in China studied the co-application of manures and chemical nitrogen fertilizers in high-input greenhouses. They said the environmental risks may outweigh the benefits. Credit Photo courtesy of Zhi Quan. Usage Restrictions None Share Print E-Mail 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.