众所周知,硼是粮、棉、油作物不可缺少的微量元素。其实绝大多数蔬菜也不能缺少它,如豆角缺它花无荚,茄果缺它蕾而不花,花菜缺它花蕾干缩,芹菜缺它茎秆发裂等等。蔬菜施硼对提高产量,改善品质具有十分重要的作用。蔬菜缺硼的症状蔬菜缺硼时,会出现以下5种症状:一是生长点萎缩、死亡, As we all know, boron is an essential trace element for grain, cotton and oil crops. In fact, the vast majority of vegetables can not be missing it, such as beans lack of flowers without pods, lack of flowers without its fruit bud, flower buds lack of its bud shrinkage, celery, lack of it stalks cracked and so on. The application of boron on vegetables has the very important function to improve the output and the quality improvement. Vegetables boron deficiency symptoms Vegetables lack of boron, there will be the following five kinds of symptoms: First, growth point atrophy, death,