很久以来已注意氯的作用,但直到最近才把它列为主要营养元素。在大田观察到氯对烟草、番薯、大麦、玉米、甜菜,特别是棉花,都有增产效应。法国海外油料研究所(以下简称油料研究所)的研究结果表明,氯对油棕和椰子的营养起着重要的作朋。现已证明,钾的正效应有时是由于氯的作用的结果。 The role of chlorine has long been noted, but it was not until recently considered a major nutrient. Chlorine has a yield-increasing effect on tobacco, sweet potato, barley, corn, sugar beet, especially cotton, in the field. The findings of the French Institute for Overseas Oil Research (hereinafter referred to as the Institute of Oil Research) show that chlorine plays an important role in the nutrition of oil palm and coconut. It has been demonstrated that the positive effect of potassium is sometimes the result of the action of chlorine.