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How to apply rapeseed boron fertilizer
The rapeseed needs a large amount of boron. When the soil lacks boron, it is prone to “flowering but not real†phenomenon. Increasing the application of boron fertilizer is an important measure to solve the problem of “flowering but not realizing†the rapeseed and increasing the yield. According to the results of the census of the soil, there are a considerable number of blocks in our district that lack boron, lack of phosphorus, and lack of potassium, which is one of the important factors that restrict the further increase of oil menu production in our region. The currently promoted concentrated high-efficiency instant boron fertilizer is an ideal product to replace borax. Its main features are: 1. High boron content, the product contains up to 21-23% of boron, which is twice the boron content of borax. At the same time, a small amount of adsorbents, penetrants, accelerators, and other nutrients are also added. 2, efficient. After application, it can be quickly absorbed by plants. The utilization rate of spraying is more than 8 times that of borax base. 3, instant. Can dissolve quickly in cold water, high solubility. The borax is very slow to dissolve in cold water and needs to be dissolved in hot water at 60-70 degrees. After borax is cooled, it easily produces crystals and burns the leaves of the crop. 4, neutral. The aqueous solution of this product is close to neutral, and it can be mixed with various pesticides. It is also a good insecticide and anti-corrosion disinfectant. The borax aqueous solution is alkaline and cannot be mixed with acidic pesticides. 5, security. Seasonal application, absorption in the season, less residue in the soil, can effectively avoid the accumulation of boron in the soil after the application of borax base in contaminated soil, causing post-planting rice boron poisoning and other issues. Application method: Spray once at the seedling stage and early flowering stage of rapeseed, and use 70-100 grams of high-efficiency instant boron per acre, spraying 30-50 kilograms of water per acre, foliar spraying should be performed in sunny afternoon, 4 hours after spraying. When it rains, it should be sprayed.