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“高美施”是由美国OEIS公司研究开发的一种液体复合肥料，它含有作物生长发育必需的大量元素和微量元素。还含有对作物新陈代谢有调节作用的有机腐殖酸活化剂。1994年在山西南部棉区进行多点叶面喷施试验，其效果主要表现在：（一）增加光合面积，促进生长发育棉花喷施“高美
“High Meishi” is a liquid compound fertilizer researched and developed by American OEIS Company. It contains a large number of elements and trace elements necessary for crop growth and development. It also contains organic humic acid activators that regulate crop metabolism. In 1994 in the southern cotton area in Shanxi for more leaf spraying test, the effect is mainly manifested in: (a) to increase photosynthetic area and promote the development of cotton spray "high