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Soilless Substrate Transformation Method for Vegetation Restoration in Serpentinite Waste Rock Slag Field

A technology of vegetation restoration and waste rock slag, applied in the direction of land preparation methods, applications, agricultural machinery and tools, etc., can solve problems that are difficult to achieve, and achieve the effect of saving soil transportation costs

Inactive Publication Date: 2016-04-06
XIAN CENT OF GEOLOGICAL SURVEY CGS
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Problems solved by technology

However, this technology is difficult to realize in the bedrock mountain area lacking in soil or the Qinghai-Tibet Plateau with fragile ecological environment, and the regreening of mining wasteland requires new technical methods

Method used

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Embodiment

[0023] A soilless matrix transformation method for vegetation restoration of serpentinite waste rock slag field, the steps are as follows:

[0024] 1) Flatten the waste rock field: pile up the waste rock with obvious edges and large lumps in the waste rock from mining on the slope surface of the waste rock, and pile up the waste with inconspicuous edges and corners, small lumps and strong weathering in the slag field Surface, flattened.

[0025] 2) Plowing the upper layer: Use a mechanical plow with a thorn interval of 5 cm and a mechanical plow with a thorn depth of 20 cm to plow the waste rock yard back and forth. Through the plowing method, the rocks with a particle size greater than 5 cm are broken to 2 cm.

[0026] 3) Make the fine plow layer: use a mechanical plow with a thorn interval of 2cm, reciprocate plowing and rake grinding, so that the particle size of the waste residue within a depth of 20cm on the surface becomes fine particles less than 1cm, and the mechanical...

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Abstract

The invention discloses a soilless matrix refitting technology for vegetation recovery of a serpentinite waste rock ballast field. The soilless matrix refitting technology is characterized by comprising the following steps of firstly, bulldozing the waste rock field; secondly, plowing the upper layer; thirdly, manufacturing a fine plowed layer; fourthly, applying fertilizers to the fine plowed layer; fifthly, sowing vegetation seeds. According to the soilless matrix refitting technology, the soil matrix for vegetation recovery is rapidly obtained through waste rock ballast blocks which have edges and corners and are in different sizes by utilizing the characteristic that olivinite, serpentinite and the like are easily fragmented and fined and by utilizing the plough and harrow combined method, the vegetation rapid recovery technology for a soilless mine is achieved, and the matrix for vegetation recovery can be effectively obtained for a mine originated in an ultrabasic rock ore body without earth removed from other places.

Description

technical field [0001] The invention relates to a soilless matrix transformation method for vegetation restoration in a serpentine waste rock slag field. Background technique [0002] In order to protect the ecological geological environment of mines, effective measures should be taken to control the abandoned land after mining according to local conditions, so that it can be restored to the usable land function, and the ecological environment must be restored to the greatest extent. At present, for open-pit mine rock dumps and underground mining waste dumps, because they belong to the broken rocks of different sizes discharged by manual mining, with large porosity and no soil, there is no soil matrix on the surface of the waste dump where vegetation can grow. Therefore, It is difficult to restore vegetation directly on the waste dump. Even in southern my country, where the temperature is moderate and the rainfall is abundant, it takes several years for weeds to grow in was...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01B79/02
Inventor 徐友宁张江华乔冈陈华清刘瑞平科海玲
Owner XIAN CENT OF GEOLOGICAL SURVEY CGS
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