摘要
在生长季不同时期，沙地油蒿群落积累的物质和能量在地上当年生叶、茎、花中的分配比例不同，存在着不同的生长中心：４～５月份叶子为生长中心，６月份茎为生长中心，７月份花为生长中心，８～９月份茎再次成为物质和能量的分配中心。
n
the different periods of growth,there are different allocation proportions of substance and
energy accumulated by Artemisia odorsica in the stems,leaves and flowers of the same year。
So there are different growing centers:the leaves are growing centers from April to May.The
stems are growing centers in June。The flowers are growing centers in July.The stems
become growing centers again from August to September。
出处
《中国草地》
CSCD
1996年第2期47-51,共5页
Grassland of China
关键词
牧草
光合产物
生长中心
分配动态
油蒿
Photosynthetic
product,Growing center,Allocation pattern
