【Objective】This paper discussed the growth differences and diameter structure distribution in the afforestation experiments with different stand densities,so as to provide theoretical references for the reasonable density cultivation of Cunninghamia lanceolata in a shor...MORE 【Objective】This paper discussed the growth differences and diameter structure distribution in the afforestation experiments with different stand densities,so as to provide theoretical references for the reasonable density cultivation of Cunninghamia lanceolata in a sh...