A kind of compound soil passivation agent that reduces cadmium, lead content and its preparation and application method
A technology of lead content and passivating agent, applied in application, fertilizer mixture, fertilization device, etc., can solve problems such as difficult to meet repair standards, unsatisfactory repair effect, and damage to soil quality, so as to improve the status of available nutrients and improve soil Cultivability and the effect of increasing soil pH
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[0052] The present invention will be described in further detail below in conjunction with the examples, without limiting the present invention.
[0053] The composite soil passivator for reducing cadmium and lead content of the present invention is all according to: 5wt%~15wt% of decomposed chicken manure, 5wt%~15wt% of bran, 5wt%~15wt% of peat, 10%~20wt% of silicon calcium magnesium potassium fertilizer, It is prepared by mixing 5%-15wt% of talcum powder, 25wt%-35wt% of sepiolite, 10wt%-20wt% of accumulated fermented sugarcane filter mud and 1.5%-2.5% of microbial fermentation liquid.
[0054] But the embodiment is preferred: comprise decomposed chicken manure 10wt%, decomposed bran 10wt%, peat 8wt%, silicon calcium magnesium potassium fertilizer 15wt%, talcum powder 10wt%, sepiolite 30wt%, accumulation fermented sugarcane filter mud 15wt%, microorganism Fermentation broth 2wt%.
[0055] Preparation:
[0056] A. The dried chicken manure is crushed and passed through a 2mm ...
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