含氯化肥是指肥料中含有氯离子（CI－）的一类化肥，如氯化控和氯化钾等。氯离子容易提高土壤中盐浓度，导致作物产生“氯害”，甚至出现烧种、伤苗等情况。”为了避免氯离子的危害，施用含氯化肥应注意以下五个方面：一、用在耐氯性强的作物上含氯化肥应首先用在水稻、小麦、 Chlorine-containing fertilizer refers to a class of fertilizers containing chloride (CI-), such as chloride control and potassium chloride. Chloride easily increases the concentration of salt in the soil, resulting in “chlorine damage” to the crop, even burning seeds, wounding seedlings and the like. "In order to avoid the harm of chloride ion, the application of chlorinated fertilizer should pay attention to the following five aspects: First, used in chloride-resistant crops containing chlorinated fertilizer should first be used in rice, wheat,