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Yellow soil, burned soil, peaty soil and topsoil of the Castanopsis hystrix forest were used to carry out the substrate experiment on Castanopsis hystrix. The height, ground diameter, biomass and other indices of the each seedling were measured, data from the measurements were analyzed using statistical analysis programs. The results shows that the difference of the substrate treatments was significant, and the ideal substrate combination was 24% yellow soil+25% burned soil +25% peaty soil +25% topsoil of Cantanopsis hystrix forest +1% calcium superphosphate.
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