枫杨播种育苗及苗期生长节律初报

Preliminary study of Pterocarya Stenoptera Semination and Growth Rhythm in Seedling Stage

简要介绍了枫杨采种、种子处理及播种育苗技术.对枫杨l a 生播种苗进行观测,采用 Logistic方程拟合高生长曲线,确定了枫杨播种苗的速生期在7月-8月末,这一时期的生长量占 全年总生长量的71. 17%.

This paper briefly introduces Pterocarya stenoptera seed harvesting, seed treatment ,semination and seedling technique, observation la planting seedlings, use Logistic equation fit high growth curve, the fast growth period is conformed from July to August, this period of growth accounted for 71. 17% of the total growth.