The high yield of spring rapeseed should be supplemented with boron fertilizer in a timely manner. The rapeseed is native to China, and the oil is rich in nutrients. The vitamin C content is high. After the decline, rapeseed can be used for oil extraction. It is a economic crop with high economic value. In recent years, many farmers have chosen to plant rapeseed. During the planting process, they will encounter some problems more or less. Today, Xiaobian will explain the high-yield fertilization technology of spring rapeseed.
The application of boron fertilizer is an indisputable fact to promote the increase of rapeseed. Especially the application of boron fertilizer in soils with severe boron deficiency is more significant. The practice of many years has proved that the increase is 20%, and the increase is more than 30%. In order to apply rapeseed boron fertilizer correctly and better, boron fertilizer should be applied throughout the whole process of rapeseed.
Comprehensive improvement of the need for boron in rapeseed Although the boron fertilizer is a trace element, it can play an irreplaceable role in the growth period of rapeseed. Boron can accelerate the formation of rapeseed cell membrane and enhance its activity. Boron can help the vascular bundle development of the roots of rapeseed and the normal extension of the growth point of the main stem to prevent necrosis. Boron can promote the synthesis, transformation and transportation of rapeseed carbohydrates, and plays an important role in the development of vegetative organs and reproductive organs. There is no high yield of boron-deficient rapeseed.
High-yield spring rapeseed should be supplemented with boron fertilizer in time
- Apply base fertilizer before sowing, apply about 1 kg of borax per acre, or hold 0.2-0.5 kg of boron;
- For seedling transplanting, 2-3 days before planting, spray 50 kg of 0.1%-0.2% borax solution per mu of seedbed. Or use 0.2% borax to soak the roots when planting the seedlings;
- Spraying 0.2% of the Suile Boron solution after the planting period, 60 kg per mu;
- Spraying 0.2% of the speed-learn solution 60-70 kg in the bud stage;
- At the beginning of the flowering period, the speed of the boron solution is about 80 kg per mu.
Pay attention to the quality of boron fertilizer, pay attention to the application method not to be cheap, just use low-content parallel fertilizer, advocate the application of high-content boron, quick-lean boron, or other high-content available boron fertilizer. When applied as a base fertilizer, it is best to mix it with organic fertilizer, farmyard manure or bio-organic compound fertilizer, or with other multi-component fertilizers. For topdressing, one must be fully dissolved, the second should be controlled, and the third should not be sprayed or leaked.
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