Autumn and winter crops supplemented with boron for scientific application of anti-fertilizer

Autumn and winter crops, such as rapeseed, broad beans, and potatoes, are all crops that respond well to boron fertilizer. In the absence of boron, crops will have symptoms such as “flowers and inaccuracies”, “dry stalks”, “tuber brown spots”, “stem vein cracking”, “deformed fruit” and growth point necrosis and dry shoots. Therefore, scientific and rational application of boron fertilizer in crop cultivation is one of the important means to improve yield and quality. However, boron as a trace element, the demand for crops is small, and more application will cause fertilizer damage, so it is necessary to master the scientific method when applying.

First, strictly control the application rate of the general high-content professional application of boron fertilizer in the 200-500 g / acre, while spraying the application of boron fertilizer in the 1000-1500 times, do not arbitrarily increase the application rate and spray concentration.

Second, uniform application of slow-release type of boron fertilizer requires uniform application of the whole field, especially on annual economic crops such as rice, rape, cotton, watermelon and vegetables.

Third, strictly control the spraying time, the instant spraying type of boron fertilizer needs to master the spraying time. Generally, the flowering results are selected to be sprayed before the flower bud differentiation, before flowering and after flowering to the young fruit stage, so as to promote flower bud differentiation. The purpose of pollination and fertilization and fruit development. At the same time, it is also necessary to pay attention to the mixing of boron and other chemicals, and do not mix them at will, so as to avoid affecting the effects and even toxic effects on crops.

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