在上世纪60年代,湖北浠水、靳春两县出现了甘蓝型油菜大面积发生只开花而不结果实的现象,愁坏了当地的农民们。后来经科研人员多次研究,发现原来是缺乏微量元素硼所致,施用硼肥以后这种“花而不实”的现象就再没发生。农民兄弟高兴地称“硼”是他们的救星。由这个例子可见微量 In the 1960s, large-scale occurrence of flowering and fruitlessness occurred in large areas of Xishui and Jinchun counties in Hubei Province, which distressed local peasants. Later, after many research by researchers, they found that the original lack of trace elements boron caused by the application of boron after the “flowers and not real” phenomenon did not happen. Peasant brothers are happy to call “boron” their savior. Traceable by this example