摘要
通过对苦槠(Castanopsis sclerophylla)和青冈(Cyclobalanopsis glauca)播种育苗,研究两个树种1年生容器苗在苗期各个器官生长的变化规律,经定期观测与回归分析,模拟苗木各器官生长与时间之间的相关关系和各器官生长与苗高生长的数学模型,结果表明:两个树种的苗高、地径与生长时间均呈幂函数关系y=a tb;根、径同苗高的生长均呈y=a+bx直线型的相关关系;拟合模型符合两个树种1年生苗的生长规律,各器官间的数学模型及相关关系均达到极显著水平。
Growth rhythm of 1-year container seedlings of Castanopsis sclerophylla and Cyclobalanopsis glauca was studied by observations and regression analysis.The math models were established for the correlation between organs growth and stage of two tree seedlings and of that between organ growth and height growth.The results indicated that correlation among height and ground diameter growth,and growth stage was power function： y = a tb.While relationship among growth of root,diameter and height growth was linear correlated： y = a＋bx.Fitting models showed the same growth rhythm and models and correlations among each organ were significant difference.
出处
《浙江林业科技》
北大核心
2010年第3期34-37,共4页
Journal of Zhejiang Forestry Science and Technology
关键词
苦槠
青冈
容器苗
生长量
数学模型
Castanopsis sclerophylla
Cyclobalanopsis glauca
container seedling
growth
math model
