Application of Principal Components Analysis in Effect Factors of Trunk Sap Flow
XIE Heng-xing~1,ZHANG Zhen-hua~1,YANG Run-ya~2,LIU Ji-long~1,LI Qing-cui~1(1.College of Geography and Resources Management of Ludong University,Yantai 264025,China;2.College ofLife Science of Ludong University)
Chinese Journal of Agrometeorology . 2006, (03): 219 -222 .