Garlic has many beneficial physiological effects on the human body. Regular consumption of garlic can improve human immunity and prevent many diseases. These physiological effects of garlic are related to its high content of selenium. Therefore, how to further increase the selenium content of garlic is of great significance for improving the therapeutic value of garlic. At the same time, it also has significant significance for increasing the added value of garlic, increasing the export of garlic, and increasing income for farmers. This article introduces the production methods of selenium-enriched garlic to the majority of farmers for your reference.
In general, the soil effective selenium content gradually increases with increasing pH and coarse to fine soil texture. Currently, the effective selenium content in the garlic-producing areas averages 9.5 μg/kg, and the supply of selenium in more than half of the soil is relatively low. Therefore, taking appropriate measures to supplement the soil for selenium levels is very necessary for the production of selenium-enriched garlic.
Selenium fertilizer commonly used in the production of selenium-enriched garlic application methods are mainly foliar spray, soil application of selenium and soaking three methods, the following are introduced.
Spraying: In the month before harvesting, 500 grams of selenium fertilizer is applied per acre, evenly sprayed on the leaves of garlic, and the yield can be increased by about 10%. The total content of selenium in garlic is increased from 0.072 mg/kg to 15 mg/kg. In kilograms, selenium is significantly enriched.
Soil fertilization: before sowing garlic, 1500 g of special selenium fertilizer is applied per acre. Combining with other basal fertilizers, the total selenium content of garlic can be increased to 12 mg/kg.
Soaking: When using a special selenium fertilizer solution and soaking for 12 hours before sowing, the yield of garlic is generally increased by 10%, and the total selenium content of garlic is increased to 3 mg/kg.
Note: The use of selenium should be controlled accurately, too little will not get the effect of enriched selenium, too much will have a toxic effect; when spraying and applying the earth, it must be uniform; spray selection before 9 o'clock in the sunny morning, Use after 5 pm, spray after rain should be sprayed.
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