Method for restoring heavy metal contaminated soil through activating agent and microorganism reinforced plants
A contaminated soil and phytoremediation technology, applied in the field of contaminated soil treatment, can solve the problems of high cost of electrochemical repair, loss of nutrients, harsh implementation conditions, etc., and achieve the effects of improving stress resistance, promoting growth, and solving pollution problems
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Embodiment 1
[0033] A kind of activator and the method for microorganism strengthening phytoremediation of heavy metal polluted soil, comprise the following steps:
[0034] (1) Add 10kg of activator to the soil in the 1# area, plow the surface soil evenly, and activate it for 10 days;
[0035](2) Inoculate 0.6 kg of composite microorganisms into the activated soil. The Bacillus subtilis, Bacillus licheniformis, yeast and Pseudomonas used in the composite microorganisms are all commercially available products, of which Bacillus subtilis (50 billion cfu / g), Bacillus licheniformis (20 billion cfu / g), yeast (7 billion cfu / g) and Pseudomonas (500 million cfu / g) are mixed at a weight ratio of 2:2:1:0.5, Then plant No. 6 castor-oil castors of Tongbi of 1 cycle, and castor-oil plants adopt seedling planting, and planting time is the middle ten days of a month in March, and planting depth is 20cm, and spacing between plants is 40cm, and row spacing is 50cm, with 1 year as a cycle;
[0036] (3) Re...
Embodiment 2
[0046] A kind of activator and the method for microorganism strengthening phytoremediation of heavy metal polluted soil, comprise the following steps:
[0047] (1) Add 9.2kg of activator to the soil in the 2# area, plow the surface soil evenly, and activate it for 14 days;
[0048] (2) Inoculate 0.8 kg of composite microorganisms in the activated soil. The Bacillus subtilis, Bacillus licheniformis, yeast and Pseudomonas used in the composite microorganisms are all commercially available products, of which Bacillus subtilis (50 billion cfu / g), Bacillus licheniformis (20 billion cfu / g), yeast (7 billion cfu / g) and Pseudomonas (500 million cfu / g) are mixed at a mass ratio of 2:3:2:1, Then plant No. 5 castor-oil castors of Tongbi for 2 cycles, and castor-oil plants adopt seedling planting, and the planting time is the middle ten days of March, and the planting depth is 25cm, plant spacing 38cm, row spacing 54cm, with 1 year as a cycle;
[0049] (3) Remove the castor in step (2) ...
Embodiment 3
[0059] A kind of activator and the method for microorganism strengthening phytoremediation of heavy metal polluted soil, comprise the following steps:
[0060] (1) Add 7.2kg of activator to the soil in the 3# area, plow the surface soil evenly, and activate it for 17 days;
[0061] (2) Inoculate 1 kg of composite microorganisms in the activated soil. The Bacillus subtilis, Bacillus licheniformis, yeast and Pseudomonas used in the composite microorganisms are all commercially available products, of which Bacillus subtilis (50 billion cfu / g), Bacillus licheniformis (20 billion cfu / g), yeast (7 billion cfu / g) and Pseudomonas (500 million cfu / g) are mixed at a weight ratio of 3:3:1:0.5, and then Plant No. 1 Castor Bean for one cycle. The castor is planted with seedlings. The planting time is mid-March, the planting depth is 30cm, the plant spacing is 34cm, and the row spacing is 57cm. One year is a cycle;
[0062] (3) Remove the castor in the step (2) from the soil as a whole, a...
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