Boron fertilizer has effects on flowering results of crops, accelerating carbohydrate transport in the body, enhancing photosynthesis, and forming nodules of legume crops. It can improve the drought resistance and cold resistance of crops, and is beneficial to prevent crops from developing physiological diseases. For example, the application of boron fertilizer has obvious effects on the control of cotton "buds without flowers", "flowers and flowers" of rapeseed, and "falling flowers and falling fruits" of fruit trees. The boron-sensitive crops are mainly legumes and cruciferous crops (such as rapeseed, peanuts, soybeans, etc.), followed by crops such as fruit trees, vegetables and cotton.
Boron fertilizers include borax and boric acid, and borax is commonly used. The fertilization method is mainly based on foliar spraying. Use 0.1%-0.2% borax or boric acid solution, spray about 50 kg per acre, spray 2-3 times, rapeseed is sprayed at the late seedling stage, convulsion period and early flowering stage. Fruit trees are sprayed at the flowering stage and young fruit stage of the bud stage. It should be noted that the crop needs boron in an appropriate amount and excess, and the range of poisoning is very narrow, and boron has an aftereffect. It is necessary to strictly control the dosage and apply evenly. The primary fertilizer effect can last for 3-5 years to prevent excessive application of poison.
Huaxian County Fertilizer Station Zhao Dongli
Boron fertilizers include borax and boric acid, and borax is commonly used. The fertilization method is mainly based on foliar spraying. Use 0.1%-0.2% borax or boric acid solution, spray about 50 kg per acre, spray 2-3 times, rapeseed is sprayed at the late seedling stage, convulsion period and early flowering stage. Fruit trees are sprayed at the flowering stage and young fruit stage of the bud stage. It should be noted that the crop needs boron in an appropriate amount and excess, and the range of poisoning is very narrow, and boron has an aftereffect. It is necessary to strictly control the dosage and apply evenly. The primary fertilizer effect can last for 3-5 years to prevent excessive application of poison.
Huaxian County Fertilizer Station Zhao Dongli
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