Agricultural boron fertilizer is a low-end boron fertilizer with a boron content of about 1%. It is only suitable as a base fertilizer and cannot be used for foliar sprays. Generally used for seedlings, but also to add magnesium. Application method: Mu with 3-5 kg ​​applicator. It is also not appropriate to use this boron fertilizer for plots with severe boron deficiency.
Industrial borax (above 10% of boron content) can be used as base fertilizer and top dressing (foliar spray). Basal fertilizer application rate is 1-2 kg per mu. Can be mixed with soil. When foliar spraying, 100 grams of industrial borax is used for mu and 50 kg of water is sprayed. Industrial borax is not easily soluble at low temperatures. To facilitate dissolution, borax can be opened with a small amount of boiled water to dilute the spray.
Sonic boron content of up to 20.5% -21.2%, is a high concentration of high-quality boron fertilizer, mainly for foliar spray. Amount of 45-50 grams per acre, water 50 kg spray.
More than 15% of Boron contains more than 15% Boron, which is a liquid Boron imported from the United Kingdom. Boron is present in the form of organic complexes. It is a new generation of high-purity foliar sprayable quick-acting organic liquid boron. It is the best choice for foliar spray to make up boron. The amount of mu is 60-80 ml, and it is sprayed with 45-60 kg of water.
Farmers and friends should pay attention to the use of boron fertilizer, agricultural boron and industrial boron is difficult to distinguish the naked eye, but the low price of agricultural boron fertilizer, industrial boron fertilizer prices slightly higher, the price difference. In addition, due to the low boron content of agricultural boron fertilizers and the high magnesium content, the water solubility is better than that of industrial borax.
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