Limestone mining area ecological restoration method

Abstract

The invention relates to the field of mining area ecological restoration, in particular to a limestone mining area ecological restoration method. The method includes the steps of mining area base material treatment and ecological restoration layer building. According to the method, limestone mining area slag is used as a main base material which is supplemented by a little loam, an ecological organic fertilizer and a mycorrhizal fungus inoculant to provide stable nutrient supply for germination and growth of plants, so that a material guarantee is provided for mining area ecological restoration; clover is drought-resistant and alkali-resistant and can be used as a nitrogen-fixing plant for soil improvement at the same time, lavender is used as an ecological restoration plant, which not only restores the ecological environment of a limestone mining area, but can be an ornamental and commercial crop to bring added values, and with collaborative planting of the clover and the lavender, not only can the ecological environment of the limestone mining area be improved, but the soil quality of the area can be improved, so that continuous restoration of the ecological environment of the mining area is guaranteed.

Description

technical field [0001] The invention relates to the field of ecological restoration of mining areas, in particular to a method for ecological restoration of limestone mining areas. Background technique [0002] At present, my country's cement industry is taking the road of new industrialization, vigorously developing new dry-process cement, and the demand for limestone resources has surged. For open-pit limestone mining areas and abandoned mines, the surface soil in the area is stripped, and the surface rocks are exposed, polluting the surrounding air environment and soil environment under the action of weathering and rainwater, resulting in deterioration of the physical and chemical properties of the surrounding soil, resulting in soil alkalization and Fertility decline affects the growth of crops and the surrounding ecological environment. [0003] At present, the existing repair method of limestone mining area is mainly foreign soil covering, which requires a large amoun...

AI Technical Summary

Problems solved by technology

For open-pit limestone mining areas and abandoned mines, the surface soil in the area is stripped, and the surface rocks are exposed, polluting the surrounding air environment and soil environment under the action of weathering and rainwater, resulting in deterioration of the physical and chemical properties of the surrounding soil, resulting in soil alkalization and Fertility decline, affecting the growth of crops and the surrounding ecological environment

[0003] At present, the existing repair method of limestone mining area is mainly foreign soil covering, which requires a large amount of foreign soil and high construction cost. Since most of the foreign soil is taken from the mature soil of the surrounding cultivated land or mountain, it will cause damage to soil resources and The secondary deterioration of the surrounding environment, and at the same time, the formed soil layer has low nutrient content, poor moisture retention performance, poor soil stability, and it is difficult to quickly establish plants