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    • 1. 发明专利
    • SOIL RECONSTRUCTION MATERIAL AND PREPARATION METHOD AND APPLICATION THEREOF
    • LU501483B1
    • 2022-08-16
    • LU501483
    • 2022-02-16
    • UNIV CHINA GEOSCIENCES BEIJING
    • CAO YINGUI
    • A01G24/10A01B79/02A01G24/17
    • The present disclosure provides a soil reconstruction material and belongs to the technical field of soil reconstruction. According to the present disclosure, the coal gangue from the mining waste in the mining area is used as the soil reconstruction material, such that the surface soil is saved, and meanwhile, the vegetation growth is guaranteed; and the surface soil and the coal gangue are arranged in a layered mode, which facilitates construction. Meanwhile, from the economic perspective, the mining waste is used for manufacturing the soil reconstruction material, which saves more cost; and meanwhile, the problem of waste disposal in the mining area is solved, the influence of insufficient surface soil in the mining area of the eastern grassland on the land reclamation quality can be relieved, and a guarantee is provided for the stability of a fragile grassland ecosystem. Data in the example show that after Melilotus officinalis (L.) Pall. grows on the soil reconstruction material for 40 days, the height of Melilotus officinalis (L.) Pall. is about 10 cm, the width of leaves is 10 mm, the coverage degree is 90% or above, the drought resistance is obviously improved, and the soil moisture content is obviously higher than that in the comparative example in which only the surface soil is used.