Mine bare land repairing material and repairing method and application thereof
A restoration material and restoration method technology, applied in the field of ecological restoration, can solve the problems of increasing the phytotoxicity of red fescue, increasing the absorption of Cu pollution, inhibiting plant growth, etc., and achieving the effects of increasing plant biomass, growing rapidly, and reducing toxic effects.
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Embodiment 1
[0027] A kind of repairing material of bare mine land in this embodiment includes kenaf hemp stalk biochar and ramie plants. The kenaf stems are collected from the Guangdong Shaoguan Experimental Base.
[0028] The kenaf stalk biochar of this example is prepared by the following method: after pulverizing the kenaf stalks, carbonize at a carbonization temperature of 500°C for 3 hours under anaerobic conditions, pass through a 20-mesh sieve after cooling and grinding.
[0029] The ramie plant of the present embodiment is cultivated by the following method: first use 1%H 2 o 2 The ramie seeds are soaked in the solution for 10 minutes, then soaked in pure water for 24 hours, and the soaked seeds are cultured in a seedling tray for 7 days to obtain the ramie plants.
[0030] A kind of restoration method of mine bare land of the present embodiment, comprises the following steps:
[0031] (1) Add the kenaf hemp stalk biochar to the soil of the mine bare land by 0.4% of the soil we...
Embodiment 2
[0034] The difference between this embodiment and Example 1 is that the addition amount of the kenaf hemp stalk biochar is different. In this embodiment, the kenaf hemp stalk biochar is added to the soil of the bare land of the mine by 1% of the soil weight.
Embodiment 3
[0036] The difference between this embodiment and Example 1 is that the added amount of kenaf hemp stalk biochar is different. In this embodiment, the kenaf hemp stalk biochar is added to the soil of the bare mine land by 3% of the soil weight.
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