中国农业科学院郑州果树研究所科研人员根据果树、瓜类、草率、花卉、棉花等不同的生长发育与需肥特性，已成功研制出各自的专用有机复合肥，为农业部科技兴农项目，亦是第二届中国农业博览会的优秀项目，首获国家专利。1．在1～3年生幼树至初果期果园内，每株树施用0．5～2公 Chinese Academy of Agricultural Sciences Zhengzhou Fruit Research Institute researchers based on fruit trees, melons, sloppy flowers, cotton and other growth and fertility characteristics have been successfully developed their own dedicated organic compound fertilizer for the Ministry of Agriculture to promote science and technology projects, also Is the second China Agricultural Exposition’s outstanding project, the first national patent. 1. In 1 to 3 years young trees to the early fruit orchard, each tree application of 0.5 to 2 public