“达尔丰”是中国科学院最近研制成功的由多种生理活性物质复配而成的农作物生长调节剂系列产品。棉花专用型它不仅含有调控植物生长的调节物质，也含有促进新陈代谢的物质，同时含有植物生长所必需的营养元素，因此，具有高效多功能的作用，可延缓植株生长，缩短节间，使... “Dal’feng” is a series of crop growth regulators produced by the Chinese Academy of Sciences recently successfully formulated by a variety of physiologically active substances. It contains not only regulatory substances that regulate plant growth, but also substances that promote metabolism, as well as nutrient elements necessary for plant growth. Therefore, it has an efficient and versatile function that delays plant growth and shortens internodes. ..