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The first is to strictly control the dosage. Although boron is a necessary nutrient for the growth of rapeseed, it is a trace element, and it is necessary to strictly control the amount of application, and not to use as much as possible. If indiscriminate application of boron fertilizer, not only can not promote the growth and development of rape, but will have a serious inhibitory effect on rape seed germination, emergence, growth, resulting in "boron poisoning." In general, the base fertilizer should be applied with 0.5-1 kg of borax per 667 m2, and foliar spray of 50 kg of 0.2-0.4% borax solution per 667 m2.
The second is to grasp the application methods and timing. Boron deficiency can cause rape to be "flowery but not real," so boron is best sprayed during flowering. It is well known that boron is needed throughout the growth stage of rape, and it is generally preferable to spray boron on the foliage during the seedling stage and bud stage. According to the experiment, spraying boron during flowering is less effective; spraying boron during the grain formation period is basically ineffective. The reason is that the application of time is too late, the physiological lesions in the body basically formed, boron has been useless.
The third is to use high quality boron fertilizer. At present, there are many types of boron fertilizer products sold on the agricultural capital market. The quality of the boron fertilizers varies from grade to grade. Some boron fertilizers look the same as high-quality boron fertilizers. In fact, the boron content is very low, and some are almost free of boron. The application of unqualified boron fertilizer not only causes direct economic losses, but also has a serious impact on the growth and yield of rapeseed. Therefore, remind farmers to remember when buying boron fertilizer!
We mainly export European Chinese onions, garlic and ginger.
Fresh yellow onion and red onion size 60-80mm 70-90mm 90-110mm 10kg/net bag, 20kg/net bag or 25kg/net bag (2019 new crop onion)
Peeled yellow onion and red onion size 60-80mm 70-90mm 90-110mm 10kg / box, 20kg / box, filled with nitrogen, storage time of 90 days.
Frozen onion, frozen onion cube, frozen onion ring 10kg/box or 20kg/box Save for 2 years.
We also offer garlic, ginger and peeled garlic
Our onions have been sold in the Netherlands, the UK, Poland, and Italy, and the quality is very good.
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The application of boron in rapeseed should grasp three points
Brassica napus is a boron-tolerant crop, especially B. napus, which is particularly sensitive to boron nutrition. The lack of boron can lead to poor growth of rapeseed, especially flower buds and pods, resulting in the phenomenon of "flowering but not real", which leads to a significant reduction in rapeseed production, even in severe cases. The content of boron in soils of rapeseed production areas, especially in rapeseed production areas, is mostly low, which cannot meet the needs of rapeseed growth. Therefore, it must be supplemented by artificial boron application. Boron application is a very important measure for rapeseed production. However, boron should be paid attention to the following issues: