农用盐农用食盐的主要成分是氯化钠，还含有相当数量的镁、钾、硫和少量的硼、溴、碘等。农盐只要合理使用，对农业生产有一定效果．一、农盐的作用钠是某些Ｃ４植物中碳水化合物代谢的必需元素．此外，象大麦、小麦、豌豆等作物，在缺钾的情况下，供给钠盐也能提高产量．... Agricultural salt Agricultural salt is the main component of sodium chloride, but also contains a considerable amount of magnesium, potassium, sulfur and a small amount of boron, bromine, iodine and so on. As long as the rational use of agricultural salt, agricultural production has a certain effect. The Role of Pesticides Sodium is an essential element of carbohydrate metabolism in some C4 plants. In addition, crops such as barley, wheat, peas and the like, in the case of potassium deficiency, can also increase the production of sodium salts. ...