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[Study on geo-herbalism of Curcuma wenyujin based on ecological factors]
Zhi-Gang Wu1, Zheng-Ming Tao, Chun-Hong Leng
1Zhejiang Institute of the Subtropical Crops, Wenzhou 325005, China.
Objective:
To reveal the effects of ecological factors on geo-herbalism,by researching the correlation between yields or qualities of Curcuma wenyujin and ecological factors.
Methods:
All measured dates were divided into three components, meteorological factors, soil conditions, the yields and qualities of geo-herbals, and analyzed through canonical correlation using SPSS software.
Results:
The results showed that there were two canonical correlation models to explain correlation between meteorological factors and yields or qualities of medicinal materials, as well as soil conditions and yields or qualities, and both of canonical correlations reached the significant or extremely significant level. The analysis indicated that main ecological factors affecting the yields or qualities of medicinal materials were average temperature from May to June,the days of high temperature (over 35 degrees C) and average rainfall from August to October, annual average rainfall, altitude, available potassium content in soil.
Conclusions:
This study has tentatively made clear which ecological factors to affect the yields and qualities of Curcuma wenyujin; and provided some basis for revealing geo-herbalism of Curcuma wenyujin.
