【摘要】 本文通过对不同调查区、不同地形条件的红松结实量的调查分析 ,得出了不同坡向、不同坡位对红松结实量的影响程度 ,为红松产籽林的营建提供了一定的实践指导更多还原

【Abstract】 Cone numbers boned on Pinus koraiensis trees which grew in different topography land were investigated. Result showed that the cone number per trees was affected by aspect and hill position.更多还原