The amount of boron fertilizer is small and effective, but it is also necessary to pay attention to the application points.
Farmers' friends know that crops want to grow well and fertilizers must be applied scientifically. In agricultural production, many farmers' friends pay attention to the use of nitrogen, phosphorus and potassium three-element fertilizers, but do not pay much attention to medium and trace elements. In fact, crop growth requires a total of 17 essential nutrients, and 11 medium and trace elements play a decisive role in crop yield and quality.
Taking boron as an example, some farmers' friends now recognize its role. Boron mainly promotes the flowering and fruit setting rate of crops. Before and after flowering and fruit setting, some boron fertilizer is often sprayed on the foliage. If the crop is seriously deficient in boron, there will be no serious particles.
The content of boron in crops generally only accounts for between 10,000 and 1% of dry weight, and is higher in leguminous and cruciferous crops, and lower in grass crops. Among the crop organs, the content of boron in flowers and leaves is the highest, followed by stems, roots and fruits, and the content in seeds is the least.
Since the role of boron is so large, some farmers' friends may have some misunderstandings in use. Today, we will talk about the boron.
Boron fertilizer is suitable for all kinds of melons and fruits. Since boron fertilizer is first promoted on rapeseed, some farmers believe that only rapeseed needs to be supplemented with boron. This is a big misunderstanding.
The best way to use boron fertilizer is foliar application. The spraying time should be before the flowering period. Foliar spraying can make the boron fertilizer absorb quickly and play a role in the critical period of crop growth. However, if the application of boron fertilizer is serious, the soil organic matter is deficient in acidification, and it is easy to form insoluble compounds that cannot be absorbed by crops.
Conventional boron fertilizer mainly refers to boron chemical products mainly composed of borax, boric acid, boron magnesium fertilizer, etc. These boron fertilizers are also prone to problems during use. The dissolution temperature of borax can be dissolved in warm water of 40 degrees or more. During the spraying of the foliar surface, the bromine crystals block the nozzle as the temperature decreases. Experienced farmers will carry a thermos bottle to prevent borax crystallization.
Although the use of boron fertilizer increases some costs, the economic benefits can be more than 15 times the input cost, which is difficult to compare with other fertilizers. In order to make huge profits, some agricultural resources dealers use boron and magnesium fertilizers instead of boron fertilizers. The main component of boron-magnesium fertilizer is magnesium sulfate. Boron is only a by-product of magnesium sulfate. The content of boron is very low at 0.5-1%. It is difficult to play its proper role by using this boron fertilizer.
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