| 摘要 |
PURPOSE: A nutrition promoting agent for plants using jade, a preparation method and its spreading method are provided, wherein the agent promotes the growth of plants and purifies water. CONSTITUTION: The nutrition promoting agent for plants is prepared by wet pulverizing the jade raw rock for 7-10 days to obtain the jade particle with a size of 300-600 mesh; compressing the wet pulverized jade sludge to make cake; dry pulverizing the obtained cake to obtain the jade particle with a size of 300-600 mesh; and mixing 20-30 wt% of magnesium sulfate, 1 wt% of citric acid, 1 wt% of boron, 2 wt% of manganese and 68 wt% of the obtained jade particle. The nutrition promoting agent is diluted with water in a ratio of 1 : 500-1,000 and the diluted one is spread to the soil and plants.
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