This paper presents the contents of foliar nutrients and their seasonal variations for 9 major neddle and broadleaf tree species of northeast China during a single growing season.

• 本文分析测定了东北地区9个主要针阔叶树种的营养元素含量和季节动态,并应用主成分分析和系统聚类分析方法分析了各树种之间的营养元素相关关系和互补性。