影响薇菜生长的主要环境因子分析

Research on the influence of the environment factors on the growth of Osmunda japonica

为促进薇菜的高产栽培 ,加快薇菜的孢子繁殖 ,对影响薇菜生长的主要环境因子进行分析 ,在不同立地条件下 ,采用典型抽样的调查方法 ,对鄂西南薇菜的分布和生长状况进行分析比较 ,结果表明薇菜适合生长于海拔 12 0 0m左右的湿润地区 ,土壤腐殖质层较厚的弱酸性砂壤土 .影响薇菜生长的环境因子主要是温度、光照强度、土壤类型及土壤酸碱度等 .

This paper has studied the distribution and growth factor of Osmunda japonica by means of typical sample under the different environment. The result shows that the O. japonica adapts to the moist and fertility sandy soil. The main environment factors affecting the distribution and growths of O. japonica are temperature, sunshine, moisture and soil type.