Investor Presentaiton

Natural factors influence on soil erosion: ➤Loess is soft and susceptible to erosion, as well as collapse. High intensity of rainfall in the rainy season ➤Sparse vegetation ➤Topography The results: Soil erosion area: 430,000km² (The total area is 640,000km² ) Soil erosion modulus: 3,700t/km².y (The maximum can reach 25,000t/ km² .y

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