Phosphate fertilizer is one of the "three elements" of nutrition necessary for crop growth. It can promote the yield of crops and improve the quality of crops, and is widely loved by farmers. Although the benefits of phosphate fertilizer are numerous, it is also necessary for farmers to use phosphate fertilizers correctly in order to maximize their effectiveness. The following are common mistakes in the use of phosphate fertilizers:

Misunderstanding 1: The more expensive the better

Many farmers believe that the more expensive the phosphate fertilizer, the better the quality, but the price does not mean quality. It is understood that some unscrupulous traders deliberately raise the price of low-priced phosphate fertilizer and convey to farmers the wrong concept of “high price and good quality” and guide farmers to purchase. Faced with this phenomenon, farmers need to be rational and learn how to distinguish the quality of phosphate fertilizers from the unscrupulous traders. When purchasing, first of all, if there is acidity in the phosphate fertilizer, and whether the color is gray, then you can feel cool when you touch it with your hands. Finally, confirm whether the packaging information is complete. In line with the above conditions, it is a high-quality phosphate fertilizer.

Misunderstanding 2: The more bubbles, the better

Some experts said that the majority of phosphate fertilizer outbreaks are due to excessive levels of calcium phosphate free acid, and it is not farmers who think that the more bubbles, the better the efficacy. After the application of more phosphate fertilizer, it will inhibit the activity of microorganisms in the soil, burn the roots of the crops, and cause the seeds not to germinate. In addition, the absence of phosphate fertilizer does not result in the lack of free acid content of calcium phosphate, the reaction is incomplete, and its active ingredient content is low. Therefore, the criterion for good phosphate fertilizer is that the content of calcium phosphate free acid is not more than 5.5%.

Myth 3: How good is the application of phosphate fertilizer

Many farmers are accustomed to applying more phosphate fertilizer when fertilizing. They think this is good for crop growth and yield. In actual fact, excessive application of phosphate fertilizers will destroy the nutritional balance of the crops, make the plant respiration too vigorous, cause plant growth and development, and lead to a decline in crop yield. Therefore, farmers need to apply fertilizer in a reasonable amount according to crop area, so that the effect of fertilization will be good.

Misunderstanding 4: Organic fertilizer and phosphate fertilizer applied together

Organic fertilizer itself is rich in phosphorus, and then with the application of phosphate fertilizer, but will reduce the effect of phosphate fertilizer, farmers do not worth the candle. It is recommended that farmers apply the two fertilizers separately, apply organic fertilizer first, apply phosphate fertilizer every 3 to 5 days, so that the effect of fertilization is obvious, and the crop grows faster.

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