Compound functional organic bacterial fertilizer as well as preparation method and application thereof
A composite function, organic bacteria technology, applied in fertilization methods, botanical equipment and methods, biochemical equipment and methods, etc., can solve the problems of long time for soil remediation, low remediation efficiency, slow growth, etc., to improve remediation. Governance rate, cost savings, and growth-promoting effects
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Embodiment 1
[0037] A compound functional organic bacterial fertilizer, in terms of parts by mass, comprises 96 parts of fermented mushroom residue organic fertilizer and 4 parts of compound functional microbial inoculum, wherein the composite functional microbial inoculum in terms of mass percentage includes: 42% Klebsiella inoculum, 25% by mass Penicillium inoculum, 25% by mass Aspergillus niger inoculum and 8% by mass Bacillus subtilis inoculum .
[0038] In this embodiment, the composite functional microbial inoculum is prepared by the following method: according to the mass percentage of each inoculum, Klebsiella inoculum, Penicillium inoculum, Aspergillus niger inoculum and Bacillus subtilis inoculum are mixed Mixed to obtain a composite functional microbial inoculum, in which the initial content of Klebsiella is 3.6 × 10 12 pcs / mL, the initial content of Penicillium was 4.8×10 11 pcs / mL, the initial content of Aspergillus niger was 3.0×10 12 pcs / mL, the initial content of Bacillu...
Embodiment 2
[0059] The application of a compound functional organic bacterial fertilizer in remediating heavy metal polluted soil is specifically to use the composite functional organic bacterial fertilizer to cooperate with micro-ecological flora to repair heavy metal contaminated soil (lead-zinc contaminated soil), comprising the following steps:
[0060] Experimental group: Taking the abandoned land of a lead-zinc mining area in Chenzhou as the experimental sample, according to the ratio of the number of trees, shrubs and herbs to 1:2.5:5, annual Paulownia saplings (arbor), annual oleander Seedlings (shrubs) and castor (herbs) were planted in lead-zinc-contaminated soil, where the planting spacing between arbor plants was 2.5m, and the holes were dug (0.5m×0.5m×0.5m), according to the mass ratio of 1:50, Mix the compound functional organic bacterial fertilizer prepared in Example 1 of the present invention with the backfill soil evenly, and backfill; the shrub plants are planted between...
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