What are the application techniques of potassium formate foliar fertilizer? The factory tells you

 It is difficult to judge the quality of fertilizer because there are too many factors involved. It is fair to say that the mother-in-law is reasonable. The quality of potassium fertilizer can not be judged by the type of potassium, because there are too many factors involved. The ranking in the industry is mainly determined by price: potassium chloride < potassium sulfate < potassium nitrate < potassium carbonate < potassium dihydrogen phosphate < potassium formate < potassium polyphosphate < potassium phosphite. Because the nutrient composition of potassium fertilizer is very different in form and content, and there is no comparability between them, what are the application techniques of potassium formate foliar fertilizer? The factory tells you.


Potassium formate is gradually used as the main foliar fertilizer because of its high potassium content and strong solubility. What are the application techniques for foliar fertilizer?

(1) Because of the low potassium content in sandy soils and the leaching loss of available potassium in soils, the effect of potassium application in such soils is often better than that in viscous soils, and the effect of potassium fertilizer application in soils with low maturity is better than that in soils with high maturity. Soil potassium content in southern China is low, and the application of potassium fertilizer should focus on Southern China. However, the area of potassium deficiency in northern China is gradually expanding, especially in some high-yielding soils, the phenomenon of potassium deficiency is becoming more and more serious.

(2) Because of crop application: under the same situation of soil potassium deficiency, potassium fertilizer should be preferentially applied to potassium-loving crops, in the order of leguminous crops > (potatoes, sugar beets, sugarcane, watermelon, fruit trees) > (cotton, hemp, tobacco) > corn > (rice, wheat). Potassium-loving crops are relative. In the soil with serious potassium deficiency, no matter what crops are planted, the effect of potassium application is obvious.

(3) Rational allocation: In terms of a large number of elements, applying potassium fertilizer, nitrogen fertilizer and phosphorus fertilizer in the same ditch or hole, because nitrogen and phosphorus fertilizer can stimulate the increase of root branching of crops, the proportion of lateral roots and fibrous roots will be larger and the nutrient absorption rate will be higher in areas with higher nitrogen and phosphorus concentration.

(4) Supplementary application of Potassium Fertilizer on leaves: when potassium-requiring crops are in rapid growth period, especially fruit growth period, it is best to spray potassium fertilizer on leaves, which can play the role of ripening branches, controlling exuberance and swelling, coloring and sweetening. This kind of potassium fertilizer is mainly potassium formate.


The solubility of potassium formate is very high. It is a good choice for producing high-potassium and high-concentration liquid fertilizer for drip irrigation. It belongs to high-potassium type potassium fertilizer. It can absorb completely without residue and increase the absorption efficiency of other fertilizers (mainly nitrogen fertilizer).


1. There is no difference between potassium fertilizer and potassium fertilizer. The effect of potassium fertilizer should be analyzed in terms of water, temperature, crop and soil conditions.


2. Potassium carbonate, organic potassium (currently widely used in potassium formate) and potassium polyphosphate are recommended under the conditions of low temperature, high humidity, hardening, acidification and salinization. It is also necessary to select a good period, apply it in a proper amount many times, and apply it on demand.


3. Potassium, to a certain extent, corresponds to the effect of sodium on human beings. It is essential to regulate osmotic pressure, maintain appropriate body fluid concentration, and promote normal metabolism. "Observing crop growth, understanding soil conditions, and precisely selecting and applying" is the key.


Therefore, when choosing potassium fertilizer, we must keep in mind that there is no best potassium fertilizer, only the most suitable one.


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