| 简介 |
PURPOSE : A method for manufacturing a fermentation accelerator is provided to mix iron sulfates with calcium oxide and natural minerals, which accelerates the fermentation rate of organic fertilizers, raises an earth temperature and is good for growth of a plant.
CONSTITUTION : The fermentation accelerator using iron sulfates is produced by steps of mixing iron sulfates(Fe(SO4)-xH2O, x=1-7) with 5-10% of calcium oxide, followed by heat-treating the mixture at 50-400deg.C to obtain an anhydride; adding calcium oxide to the iron sulfate anhydride obtained from the mixing step; and mixing the mixture of the adding step with natural mineral powder containing a large amount of siliceous materials and magnesium oxides.
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