含氯化肥是指肥料中含有氯离子的一类化肥,如 KCl、NH_4Cl。与 K_2SO_4、(NH_4)_2SO_4相比,由于它来源广、成本低,因而普遍用作复混肥的钾源和氮源。氯离子是农作物营养元素之一,它能增强作物茎叶的坚固性,提高它的抗倒伏、抗病能力;促进光合作用,提高糖份的积累;有利于土壤中养分有效化,促进作物对钾、硅、钙、镁等元素的吸收。但土壤中氮离子过多,则农作物会受害,产量降低,品 Chloride-containing fertilizer refers to a class of fertilizers containing chloride ions such as KCl, NH_4Cl. Compared with K_2SO_4 and (NH_4) _2SO_4, it is generally used as potassium source and nitrogen source for compound fertilizer due to its wide source and low cost. Chloride is one of the nutrient elements of crops, it can enhance the firmness of crop stems and leaves, improve its lodging resistance, disease resistance; promote photosynthesis and improve the accumulation of sugar; conducive to the soil nutrient-efficient and promote crop Potassium, silicon, calcium, magnesium and other elements of the absorption. However, if there is too much nitrogen in the soil, the crops will suffer and the yield will drop