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METHOD FOR EFFICIENT AND RAPID GREEN RESTORATION AND IMPROVEMENT OF SOIL PH VALUE BY MEANS OF SPRAY-SEEDING ROBINIA PSEUDOACACIA ON EXPOSED ROCK WALL OF SHALE
METHOD FOR EFFICIENT AND RAPID GREEN RESTORATION AND IMPROVEMENT OF SOIL PH VALUE BY MEANS OF SPRAY-SEEDING ROBINIA PSEUDOACACIA ON EXPOSED ROCK WALL OF SHALE
Disclosed is a method for efficient and rapid green restoration and improvement of soil pH value by means of spray-seeding Robinia pseudoacacia on an exposed rock wall of shale, which falls within the technical field of ecological restoration and soil improvement. Mixed microorganisms, an organic fertilizer and soil are spray-seeded onto an exposed rock wall of shale by means of a borrowed soil spray-seeding method, the green covering plant is Robinia pseudoacacia, and the aims of efficient and rapid green restoration and impovement of the soil pH value are achieved. The mixed microorganisms include Kocuria X-22, microbacterium X-26, bacillus X-28, and microbacterium X-18, and the mixed microorganisms are added into the organic fertilizer and the soil with a fermentation bacterial solution. The weight ratio of the mixed microorganisms to the organic fertilizer to the soil is 1 : 1 : 8. By means of the method, microbial flora and leguminous nitrogen-fixing bacteria synergism is achieved; the rapid growth of the Robinia pseudoacacia on the exposed rock wall of the shale is promoted; the Robinia pseudoacacia soil organic matter content, available phosphorus content and pH value can be significantly improved; the soil fertility is improved; the application dose of the chemical fertilizer is reduced; and a low-cost efficient new method can be provided for the efficient and rapid green restoration of an exposed rock wall of shale.
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