1, rape. The lack of boron in rapeseed, the atrophy of seedlings is not long, and the flowering period is not real, which has a great influence on the yield and quality. Brass can be applied to the rapeseed, applied and applied as foliar fertilizer. When the rapeseed is transplanted, 500 grams of borax per acre is uniformly mixed with the organic fertilizer and then applied to the transplanting point or transplanting ditch; after the transplanting, 500 grams of borax per acre is added with water to drench the root; Shiyi sprayed a concentration of 0.2% borax solution at the seedling stage, the bud stage and the initial flowering stage, and the spray liquid per acre was 30 kg, 50 kg and 75 kg respectively.
2, broad beans. It is advisable to spray borax solution with a concentration of 0.1% in the seedling stage, early flowering stage and full flowering stage respectively. The spraying period of each acre of spraying fertilizer is 30 kg to 40 kg, and the flowering period is 50 kg to 75 kg.
3. Wheat. It is advisable to spray a borax solution with a concentration of 0.05% to 0.1% in the tillering and jointing stages, each time about 50 kg per mu of spraying liquid.
4, potatoes. Potato (potato) is deficient in boron, the plant grows or the top is easy to die, the lateral buds increase and grow rapidly, and the internodes are short, which makes the plants short clusters, which leads to small tubers and low yield. Soaking the seed potato block with a concentration of 0.1% borax solution for 4 hours to 6 hours, can achieve significant yield increase. It can also be sprayed during the growth period, generally spraying 2 times to 3 times with 0.1% borax solution from the seedling stage to the flowering stage of the bud.
5, green manure. The green manure lacks boron, the nodule is poorly developed, and the nitrogen fixation ability is poor, making it difficult to obtain high yield. In the seedling, bud and initial flowering stages, a concentration of 0.2% borax solution can increase the yield of fresh grass by more than 20%, and increase the seed yield by more than 25%.
In addition, winter vegetables such as cabbage, celery, lettuce, beets, radishes, etc. are all vegetable crops that are sensitive to boron, and the addition of boron fertilizer can achieve good yield and quality improvement. The application of boron fertilizer for vegetables is mainly for foliar fertilizer application. It should be sprayed 2 to 3 times in the middle stage of fertility, and the concentration of borax solution from 0.1% to 0.2% per acre is 30 kg to 50 kg.
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