hat the crustal movement which happened 600 million years ago made the Xuefeng Mountains become an area gathering the most tillites in the world. In this area, the reserves of tillites account for 85% of the total reserves of the world (in South Africa, it accounts for about 10%). For completely weathered soil, plentiful gravels and excellent ventilation, the tillites are rich in organic matters and mineral substance nutrient elements. Enjoying exceptional advantages of tillite soil and unique e