During the inspection in Israel, the author found that potassium chloride was used in various crops in the field, and only potassium nitrate or potassium sulfate was used in crops grown in the greenhouse. The reason was not that chlorine was toxic, but that it was worried about the salt. In Daejeon, there is water to wash, so you don't have to worry about chlorine causing salt. The results of Israel's study showed that where there is 300 mm of rainfall, chlorine can be completely washed away and will not remain in the root layer. In fact, the chlorine-containing fertilizer itself has the outstanding advantages of fast dissolution, full water-solubility, and low price, but the concept of “chlorinated crop†is like an invisible hoop, which greatly limits the scope of application of the fertilizer in China. At present, potash cannot dare to use potassium chloride. Instead, potassium sulfate is used instead. Water-soluble potassium sulfate is used as a water-soluble fertilizer to produce potassium-sulfate-type compound fertilizer. Especially this year, the price of potassium sulfate has soared and it is difficult to obtain a single product. As a result, the fertilizer is wasted, the burden on peasants is increased, and it has far-reaching adverse effects on agriculture. Just think, if chlorine-containing fertilizers cannot be applied to the so-called "chlorinated crops," then it is equivalent to the fact that most organic fertilizers cannot be applied because they contain chlorine, which is ridiculous. In fact, like the chlorine-containing fertilizers and other fertilizers, it is important that the fertilization method is scientific. Any fertilizer that is used improperly can have negative effects on crops, the environment and users. In addition, the concept of “chlorinated crops†also restricts the development of water-soluble fertilizers in China. At present, chlorine has been "demonized" and many dealers and farmers talk about the change of chlorine. In fact, potassium chloride is the basic raw material in the water-soluble fertilizer raw materials in developed countries. Ammonium chloride can also be used as a nitrogen source in low-level clear liquid fertilizers. Throughout the developed countries of the global agriculture, such as Israel, almost all fertilizers are water-soluble fertilizers, and the United States also accounts for more than 50% of its total fertilizer. On the contrary, the concept of “chlorinated crops†that has permeated the country for decades has hampered the hands and feet of the industry. China now produces a large number of elements of water-soluble fertilizer is basically no potassium chloride as raw materials. On the one hand, agricultural potassium sulfate dissolves too slowly and is not suitable for water-soluble fertilizer materials; on the other hand, water-soluble potassium sulfate is expensive and can only produce high-end fertilizers. If potassium chloride can be used as raw material, the cost can be greatly reduced and the problem of rapid dissolution of fertilizer can be solved. Http://Content/5d0203d5-f9e4-4f1c-a40c-c14566a6ed3c?cType=2
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Misunderstanding of "Cold crops"
It is generally believed that some plants are very sensitive to chloride ions. When the absorption reaches a certain level, it will obviously affect the yield and quality, and it is called "a chlorine-inappropriate crop." The author's concept of the “chlorinated crop†experienced a long process from believing to skepticism to final negation. When I was in college, I was deeply convinced that the textbook "Chock Crops" was mentioned. Later, in research experiments and production practices, it was discovered that potatoes, grapes, citrus, sugar cane, watermelons, berries (such as strawberries) and many other crops that are considered to be typical “sugar-free†crops were treated with a certain amount of chlorine-containing fertilizers. No phenomena affecting growth and quality appeared. The author began to doubt the correctness of this concept.