Component Matrixa   Component 1 2 3 4 5 6   35,9 % 16,0 % 8,9 % 7,6 % 6,3% 5,4 % Al ,501 -,657 ,086 ,378 ,246 ,060 B ,281 ,323 -,626 ,086 ,352 -,025 Ca ,470 ,558 ,260 -,316 ,320 -,242 Cd ,615 -,290 -,017 ,433 -,182 -,018 Co ,746 ,049 -,057 ,051 -,417 -,190 Cr ,448 ,536 ,180 ,205 ,482 ,018 Cu ,861 ,046 -,218 -,103 -,363 ,064 Fe ,289 ,152 ,735 ,206 -,225 -,066 K ,817 -,479 ,083 ,006 ,114 -,007 Li ,650 ,255 -,171 -,556 -,227 ,035 Mg ,825 -,359 ,217 -,190 ,141 -,121 Mn ,446 -,278 ,329 -,681 ,145 -,153 Mo ,567 -,068 -,111 ,049 ,241 ,507 Na ,580 ,581 -,285 ,045 -,291 ,041 Ni ,244 -,025 -,134 ,222 -,281 -,267 P ,882 -,354 -,090 ,054 -,022 ,006 Pb ,067 ,561 ,583 ,330 -,084 -,111 S ,899 -,317 ,002 ,133 ,144 -,045 Sr ,667 ,495 -,035 -,026 ,048 ,017 V ,530 ,680 -,090 ,233 ,143 ,054 Zn ,136 ,119 ,347 -,137 -,202 ,794 a. 6 components extracted.

Varimax-Rotated Component Matrixa   Component 1 2 3 4 5 6 Al ,927 -,080 -,158 -,076 ,003 -,019 B ,059 ,578 ,174 -,143 -,546 -,144 Ca -,052 ,700 ,123 ,552 ,206 -,067 Cd ,704 ,012 ,345 -,209 ,149 -,043 Co ,404 ,121 ,739 ,114 ,173 -,084 Cr ,159 ,852 -,062 ,045 ,191 ,048 Cu ,448 ,177 ,801 ,180 -,066 ,161 Fe ,169 ,104 ,098 ,093 ,822 ,101 K ,883 ,044 ,192 ,309 -,007 ,043 Li ,055 ,240 ,677 ,538 -,165 ,208 Mg ,759 ,109 ,193 ,543 ,086 ,004 Mn ,292 -,067 ,027 ,893 ,039 ,055 Mo ,514 ,324 ,084 ,012 -,224 ,479 Na -,012 ,515 ,750 -,069 -,012 ,103 Ni ,180 -,030 ,376 -,148 ,088 -,272 P ,831 ,102 ,409 ,196 -,077 ,041 Pb -,173 ,412 ,027 -,118 ,757 -,001 S ,883 ,233 ,273 ,200 -,009 -,016 Sr ,158 ,648 ,452 ,165 ,074 ,110 V ,054 ,822 ,349 -,118 ,094 ,076 Zn -,006 -,005 ,068 ,030 ,219 ,888 Extraction Method: Principal Component Analysis.

Table 4: Results of factor analysis of weight-based data.