22-08-2023 дата публикации
Номер: CN116621640A
Принадлежит:
The invention provides a preparation method of a suspended magnesium medium element fertilizer, which comprises the following steps: S1, grinding and pre-crushing dolomite powder and calcium bentonite, adding a dispersing agent and bamboo vinegar, grinding to obtain a pretreated material, stirring and mixing the pretreated material and porous starch in a reaction kettle, and homogenizing to obtain a mixed solution; s2, dissolving magnesium sulfate in wood vinegar, stirring to completely dissolve magnesium sulfate, and filtering to obtain a magnesium sulfate solution; s3, carboxymethyl starch, polyethylene glycol and water are added into a reaction kettle to be stirred, the mixed solution in the step S1, the magnesium sulfate solution in the step S2 and brucite powder are added to be stirred and mixed, guar gum and alkyl betaine are added to be stirred and mixed, homogenizing, filtering and filling are conducted, and the suspended magnesium medium element fertilizer is obtained. The prepared ...
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