I. Selenium-enriched products
For selenium-enriched products, the most important step is to spray selenium. The three selenium-enriched methods for selenium-enriched garlic include: soaking, application of selenium to the soil, and foliar spraying.
Second, soaking
Before sowing, it is necessary to soak the seed and use 1002/μg a kilogram of sodium selenate solution to put the seeds in and soak for several hours. This operation is beneficial to increase selenium content, promote garlic seed germination, and increase garlic yield.
Third, the application of selenium in soil
Before sowing, 13 g of sodium selenate was applied per acre, and it was necessary to apply other basal fertilizers when fertilizing. The fertilization should be applied evenly to the sowing ditch, so that it can increase the yield of garlic harvest and also increase the selenium content.
Fourth, foliar spraying
In the month before picking, the sodium selenate is formulated into a concentration of 100/μg per kilogram, and 5 g of pure selenium is applied per acre. This should be uniformly sprinkled on the garlic leaf during application, which can effectively increase the garlic content. The yield is about 10%, and it is conducive to the enrichment of pure selenium.
V. Precautions
1. A trace element necessary for the growth of selenium and garlic can effectively improve the disease resistance of garlic. However, the amount of selenium that is applied cannot be too much, and the substance will be reversed. Too much will lead to poisoning, and it will be appropriate to maintain proper quantity.
2, in the application of selenium, you can choose the way of soil application and spraying, but in either case, spray evenly.
3. When spraying selenium, it is best to choose sunny before 9am, or after 5pm in the sunny afternoon. In rainy season, selenium should be sprayed after the rain.
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