Selenium-enriched strawberry nutrient, preparation and application thereof
A technology of selenium-enriched strawberry and nutrient, which is applied in application, fertilizer mixture, fertilization method, etc., can solve the problems of difficult quantitative control of selenium content, unfavorable standardized production, large residual amount of inorganic selenium, etc., and achieves controllable absorption of good crops. The effect of stable selenium content, stable selenium content and stable selenium content
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Embodiment 1
[0030] In the strawberry production base in Suzhou High-tech Zone, select selenium-enriched strawberry nutrients composed of nano-selenium plant nutrients 1: organic fertilizer 1.5: microbial fertilizer 0.3, the selenium concentration is 5000 micrograms / gram, and the moisture content is 10% with a ratio of 1:6. Stir the wet soil and apply it on April 20 at the rate of 10 kg per mu when plowing the strawberry base so that it is evenly distributed in the 0-15 cm layer. The selenium content and organic selenium ratio of mature organic selenium-rich strawberries were tested after harvest.
[0031] After testing, the average selenium content of strawberries after ripening is 10 micrograms / kg, reaching the selenium content standard of 10-50 micrograms / kg for selenium-rich fruits, but the proportion of selenium organic form selenium in strawberries is greater than 80%. The output of strawberries is 3200 jin / mu, which is 6.7% higher than that of 3000 jin / mu produced by ordinary method...
Embodiment 2
[0033] In the strawberry production base in Suzhou High-tech Zone, select selenium-enriched strawberry nutrients composed of nano-selenium plant nutrients 3: organic fertilizer 1: microbial fertilizer 0.2, and its total selenium concentration is 8000 micrograms / gram. Mix it with wet soil with a moisture content of 10% in a ratio of 1:6, and apply it on April 20 at the rate of 10 kg per mu when plowing the strawberry base, so that it is evenly distributed in the 0-15 cm layer. The selenium content and organic selenium ratio of mature organic selenium-rich strawberries were tested after harvest.
[0034] After testing, the average selenium content of strawberries after ripening is 40 micrograms / kg, reaching the selenium content standard of 10-50 micrograms / kg for selenium-rich fruits, but the proportion of selenium organic form selenium in strawberries is greater than 85%. The output of strawberries is 3300 jin / mu, which is 10% higher than the output of 3000 jin / mu of strawberri...
Embodiment 3
[0036] In the strawberry production base in Suzhou High-tech Zone, select selenium-enriched strawberry nutrients composed of nano-selenium plant nutrients 4: organic fertilizer 1.2: microbial fertilizer 0.3, and its total selenium concentration is 10000 micrograms per gram. Mix it with wet soil with a moisture content of 10% in a ratio of 1:6, and apply it on April 20 at the rate of 10 kg per mu when plowing the strawberry base, so that it is evenly distributed in the 0-15 cm layer. The selenium content and organic selenium ratio of mature organic selenium-rich strawberries were tested after harvest.
[0037] After testing, the average selenium content of strawberries after ripening is 40 micrograms / kg, reaching the selenium content standard of 10-50 micrograms / kg for selenium-rich fruits, but the proportion of selenium organic form selenium in strawberries is greater than 80%. The output of strawberries is 3200 jin / mu, which is 6.7% higher than that of 3000 jin / mu produced by...
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