树的抗污染注射剂乙二撑尿美国特立华州农业研究局一位植物生理学家发现，乙二撑尿可保护树叶免遭臭氧的侵害。作为主要大气污染的臭氧，可损害农作物，使树叶变黄、凋萎和衰落。它还能抑制树的活力和生长，使树易受病虫害的袭击。试验结果表明，把乙二撑尿直接注入树干，... Tree anti-pollution injection BPH urinal A plant physiologist at the State Department of Agricultural Research in the United States found that BPH protects the leaves from ozone. As the main air pollution of ozone, can damage crops, make the leaves turn yellow, withered and decline. It also inhibits tree vigor and growth, making the tree vulnerable to pests and diseases. The test results show that the injection of ethylene glycol urine directly into the trunk, ...