Winter crop management attention to boron fertilizer

Boron is one of the trace elements that are indispensable for the growth and development of crops. Winter crops such as rapeseed, broad beans, wheat, potatoes, green manure and winter vegetables are all crops that respond well to boron fertilizer. The lack of boron will affect growth, both in terms of yield and quality. Practice has proved that the addition of boron fertilizer on winter crops can achieve significant yield-increasing effects, and it is a production-increasing measure with less investment and great effect.

　　 1 , rapeseed. 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. Adding boron, rapeseed can promote normal growth, increased pod, grain weight increase, by 10% to 20% yield. 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 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 drip the root; It should be applied in the seedling stage, flowering and early bud moss of the spray 1 at a concentration of 0. 2 % borax solution, 30 kg, 50 kg and 75 kg per acre .

　　 2 , broad beans. Boron deficiency in broad beans can also produce flowers without realizing images and affecting high yields. Adding boron fertilizer can reduce flower pod loss, increase pod and grain weight, and increase yield by 15 % to 20 %. Respectively, should the seedling stage, flowering early flowering and the concentration of the spray 1 0. 1 % borax solution, the seedling period of each mu of sprayed fertilizer is 30 kg to 40 kg, and the flowering period is 50 kg to 75 kg.

　　 3 , wheat. The boron deficiency in wheat is not normal in the seedling stage. In the later stage, there is a "spear and inconsistency", which is more open, low in yield and poor in quality. Increasing the application of boron fertilizer can increase the seed setting rate and promote the fullness of the grain, increasing the yield by about 10 %. Should be in tillering and jointing of the spray 1 0 concentration. 05 % ~ 0 . 1 % borax solution, about 50 kg per mu of spray fertilizer .

　　 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. Use a concentration of 0 . 1 % borax solution soaked the seed potato block for 4 hours to 6 hours after sowing, can achieve significant yield increase effect. It may also be sprayed during growth, generally in the seedling stage to flowering by squaring 0. 1 % borax solution is sprayed 2 to 3 times.

　　 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 stage, bud stage and early flowering spray 1 concentrations of 0. 2 % borax solution can increase the yield of fresh grass by more than 20 %, and increase the yield of seeds 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 in vegetables is mainly applied as foliar fertilizer. It should be sprayed 2 times to 3 times in the middle stage of fertility , and the concentration of spray per acre is 0 . 1 % to 0 . 2 % borax solution 30 kg ~ 50 kg.

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