A treatment method for improving the remediation effect of cadmium-contaminated soil
A technology for cadmium-contaminated soil and soil, which is applied in the field of treatment to improve the remediation effect of cadmium-contaminated soil, can solve the problems of secondary pollution, difficult remediation and treatment of cadmium-contaminated soil, and small migration of heavy metals, and achieve strong stress resistance and improve remediation Effect, effect of growth speed block
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Embodiment 1
[0024] A treatment method for improving the remediation effect of cadmium-contaminated soil, comprising the steps of:
[0025] (1) In winter, apply the restoration agent to the soil to be repaired according to the application rate of 0.02kg / square meter;
[0026] (2) In spring, apply base fertilizer, and plant sisal seedlings according to 6 strains / square meter, sisal seedlings plant height 20~30cm;
[0027] (3) within 3 days after the sisal seedlings are planted, in the gaps between the sisal seedlings, according to 30 strains / square meter, reed bamboo is planted, and reed bamboo is the high reed bamboo seedling of 30~50cm;
[0028] (4) According to the soil water and fertilizer status, water and supplement fertilizer to keep the soil water content at 60-80%;
[0029] (5) Excavate the sisal in autumn, and cut off the aerial parts of Arundis;
[0030] (6) In winter, apply the restorative agent on the original plot again at an application rate of 0.02kg / square meter, plant si...
Embodiment 2
[0034] A treatment method for improving the remediation effect of cadmium-contaminated soil, comprising the steps of:
[0035] (1) In winter, apply the restoration agent to the soil to be repaired according to the application rate of 3kg / square meter;
[0036] (2) In spring, apply base fertilizer, and plant sisal seedlings according to 10 strains / square meter, sisal seedlings plant height 20~30cm;
[0037] (3) within 7 days after the sisal seedlings are planted, in the gaps between the sisal seedlings, according to 10 strains / square meter, plant reed bamboo, the long reed bamboo tuber of reed bamboo 15~30cm;
[0038] (4) According to the soil water and fertilizer status, water and supplement fertilizer to keep the soil water content at 60-80%;
[0039] (5) Excavate the sisal in autumn, and cut off the aerial parts of Arundis;
[0040] (6) In winter, apply the restorative agent on the original plot again at an application rate of 3kg / square meter, plant sisal hemp at 2 plants...
Embodiment 3
[0044] A treatment method for improving the remediation effect of cadmium-contaminated soil, comprising the steps of:
[0045] (1) In winter, apply the restoration agent to the soil to be repaired according to the application rate of 1kg / square meter;
[0046] (2) In spring, apply base fertilizer, and plant sisal seedlings according to 8 strains / square meter, sisal seedlings plant height 20~30cm;
[0047] (3) within 10 days after the planting of the sisal seedlings, in the gaps between the sisal seedlings, according to 5 strains / square meter, plant Arundos reeds, the long Arundos reeds stem buds of 15~30cm;
[0048] (4) According to the soil water and fertilizer status, water and supplement fertilizer to keep the soil water content at 60-80%;
[0049] (5) Excavate the sisal in autumn, and cut off the aerial parts of Arundis;
[0050] (6) In winter, apply the restorative agent on the original plot again at an application rate of 2kg / square meter, plant sisal hemp at the rate ...
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